Two college students, the slum child Raja and the dean’s daughter Roja, chat with each other over the Internet and fall in love. However, Roja is engaged and Raja cannot bear to disrespect her father, to whom he owes his livelihood.

Unable to find a job, Karunakaran decides to work as a henchman for a gangster. But he is forced to fight against his own gang when they hatch a plan to kill his lover Nisha and her parents.

Two retired colonels are at loggerheads with each other because one of them had been a traitor to the country. The grandson of the traitor and the grand-daughter of the other colonel fall in love but have to surmount a number of obstacles, including the one created by the girl’s grandpa, before uniting in matrimony. There is also a Brahmin’s daughter who loves the coloned’s grandson. In the end, the Brahmin’s daughter sacrifices her life to save her beloved. The traitor colonel also atones for his treachery.

Despite being the sole heir to a large fortune, Shanmugam is forced to work as a servant by his aunt. Circumstances force him to marry Kannamma even though he is in love with Sakunthala.

Jeeva loves Meena, a widow with a son, and respects her even more when he learns about her past. However, Jeeva is forced to marry Divya as her father kidnaps Meena’s son in order to threaten Jeeva.

Raj Kumar (Mahesh Babu) goes on holiday in Khandala and stays with his uncle Dhananjay (Prakash Raj). He comes across Rani (Preity Zinta) and falls for her. However, he ends up teasing her and she begins to despise him. She is determined to avoid him, but he won’t leave her alone. Raj Kumar saves Rani from some thugs, and she is impressed by his heroism. After spending some time together, she begins to like him and eventually love him.
Unfortunately his uncle has made other plans for him: He reveals the past of the hero’s parents and his family. He mentions the challenge that he made with his in-laws to get the hero married to his daughter. Complying to this, the hero informs the heroine that their relationship needs to end there.
Going with his uncle to the village for his uncle’s daughter, to his joy he sees that it’s none other than Rani.

Kannan (Mammootty) is a sincere district collector. A female leader of a major political party is kidnapped by terrorist Veeraiyan (Nassar), and he promises to return her back if his injured brother Arasappan (Napoleon) is treated well and brought back safely. The government agrees to this condition and asks Kannan to look after Arasappan. At first, Arasappan hates Kannan and his family as Kannan works for the government against whom his brother’s group is rebelling, but the kindness shown by Kannan’s wife and mother change his attitude. Just when he was about to turn over a new leaf, a bad thing occurs. The police team, without taking the necessary orders from Kannan, go to the forest and attack Veeraiyan’s gathering. This angers Arasappan, but he was restrained by Kannan. the police accuses Kannan of having links with the terrorists as Arasappan ran away from his house and Kannan condemned the police action; hence, they arrest Kannan’s wife and mother (Kannan ran away to find Arasappan). Hearing this sad news, Arasappan surrenders to the police as he did not want them to suffer for him, but the police do not spare him despite his surrender.

Raja (Kunal) is from a very poor, illiterate family, from Tamil Nadu (in the Hindi version he is from Allahabad). People from his region consider that “education is meant only for the rich”. There, poor boys are made to work from age 5, either at factories or farms, so that they can support their families. But, Raja’s mother forced his father to let Raja study up-to class 2, without any work. But he refuses to fund him, and orders him to start work as accountant for their landlord. Raja’s dad is violent and an alcoholic. He spends the family’s income on alcohol. Raja’s family struggles to work hard everyday. Raja’s mom begs him to move to Mumbai to start a new life. Raja heeds his mom’s pleas and moves to Mumbai to attend Ramachandra Institute of Management Studies, the top-most premier b-school in India. The movie starts off at a train station on New Year Day, 1999. Raja talks with a person (Manivannan in the Tamil version, Anupam Kher in the Hindi version) who was well-wishing him. Due to insistence, Raja goes into a flash back. 3 years ago, he reaches Mumbai, where he plans to get admitted into the prestigious Ramachandra College of management, one of the most premier institutes in the nation.

Chandru (Prashanth) works in a flower shop owned by Manivannan. He tries to woo girls and enter into a relationship, but it does not materialize. His friends (Charle and Vaiyapuri) tease him for being unable to find a girlfriend. Chandru has a plan to prevent them making fun of him. He requests his close friend Gayathri (Sujitha) to come to the temple along with some of her friends so he would introduce her as his girlfriend to his friends. Chandru takes his friends with him to temple with plans of introducing Gayatri’s friend as his lover. Unfortunately, Gayatri does not turn up that day, and Chandru simply points out a girl (Preeti Jhangiani) among the crowd in the temple as his lover to his friends. Chandru pretends as if he is talking frequently over phone to his lover so that his friends would believe him.

After a fireman loses his wife and only son in an unfortunate accident, he finds solace in bringing up an orphan boy as his own.

This film depicts the disputes between two forms of the dance styles and music, Classical Indian (in particular Carnatic music and Bharathanatyam danceform) against rural Tamil folk music and dance. The film depicts the misunderstanding and mutual ignorance of the two factions. The parallel plot in the movie is of the children and intended successors of the respective dance doyens falling in love with each other. The climax ends with a consensus of both the music genres as well as the young couple, hence the name Sangamam.

The universe is under threat by evil powers known as ‘The Old Men.’ A statue hidden deep within Africa holds the secret to the survival of mankind. Will there be enough Time for the rebel group to save existence?

Sakthivel, an irresponsible man, disapproves of the marriage arranged for him by his father and tries to ruin it. However, he is surprised to learn that the prospective bride is the woman he loves.

The State’s Chief Minister, after being questioned by a reporter, Pugazhendi, challenges him to accept the position for a day, and see for himself the challenges that face him. Pugazhendi accepts the challenge, and immediately sets about to tour the region, suspend and prosecute corrupt officials, arrest several politicians, including the Chief Minister himself, and makes swift and decisive changes that will go to assist the most vulnerable, much to the chagrin of people in power.. After the day is over, Pugazhendi will find his and his loved ones’ lives in danger as the state’s machinery, as well as goons, gather together to extract vengeance.

Jani, a slum boy, loves Sandhya but doesn’t express his love because she sees him as her friend. Jani selects a groom photo as per Sandhya’s request, but when he learns a shocking truth about the groom, he tries to break up the marriage and earns a bad name.

A violent youngster and a shy Brahmin girl fall in love but tragedy intervenes when the youngster is brain-damaged following a fight.

When Raghu learns that his mother is estranged from her large family, he makes way into that family to rectify the situation. He also learns that the girl he loves belongs to the same extended family.

Sridhar (Ajith Kumar) is from a middle-class family headed by his father (K. Vishwanath). Shiva (Raghuvaran) is Sridhar’s elder brother and the breadwinner for the family consisting of his wife Shantha (Sithara) and sister (Preitha Raghav). Sridhar, upon completion of his graduation, aspires to become a music director and tries hard to secure a chance in movies, but all his efforts go in vain. Sridhar’s search for a chance continues for 8 years. Despite that, his family members support him very well and encourage him whenever he feels dejected.

Sitharam (Arjun) is a well respected auditor who lives with his PA Muthuswami (Anu Mohan) in Chennai. Although being a short-tempered and tensed person, Sitharam is very good at heart who helps the people in need. He soon meets and falls in love with Kalyani (Sonali Bendre). After a couple of meetings she too falls in love with him by seeing his good nature.
But Sitharam faces problems in the form of another loving couple, Akash (Suchindra) and Akhila (Ruchita) due to an argument between Akhila and Akash and Akhila acts as Sitaram’s fiancé so that she can get rid of Akash just before he proposes to Kalyani. Kalyani, being an innocent, believes her words and goes away from Sitharam. Hence, Sitharam becomes the main antagonist of the film to make the lives of Akash and Akhila the living hells.

Indira hates men and only employs women in her company and personal staff. Kaasi enters her life as a driver and soon, one by one, his entire family is employed in her house, with a desired motive.

R. Parthiban plays a die hard fan of Rambha and a self-interest governed taxi driver whose name is never revealed throughout the movie. Meena plays Mahalakshimi, the daughter of a “zamindar” who has lost all his money due to financial troubles; his death leaves Mahalakshimi with a lot of debts (over two lakhs worth). Parthipan is the taxi driver that drives Meena’s dead father’s corpse back to her hometown. There, the people that Mahalakshimi is now indebted to by Anand Raj who torture Mahalakshimi with cruel words for being unable to pay the debt. Later Parthiban helps her out by giving his taxi in replace to Meena’s debt to save her at the point of time. But the twist in the movie is that Parthiban irritates Meena, though unwillingly, to get back his taxi as soon as possible. In the later part Meena will fall in love with Parthiban for his continuous help and support towards Meena. At that time Parthiban’s dream girl Actress Rambha comes for shooting in that palace, which makes Meena very angry and jealous as all his attention has been diverted to Rambha. At the end of shooting, Rambha tries to talk Parthiban and Meena and makes them realise their love for each other. But Meena never sees any sign of Parthiban loving her and thus accepts to marry the villain (Anand Raj’s) son to get back Parthiban’s taxi and settle her debt. Eventually, Parthiban realises his love for Meena and tries to stop the wedding as the groom is also a bad guy who cheated Manorama’s daughter. Finally the movie ends on a happy note with Meena getting back all her money and property and leading a happy life with Parthiban.

Two music directors Bharathi (Vijayakumar) and Kannan (Nassar) used to be friends and composed music together. After Kannan has a fight with the director of their movie, Bharathi who feels embarrassed decided to split from Kannan and compose the music for the film by himself. He offers Kannan the chance to reconcile after this movie. Kannan rejects this and instead gives details about the fallout to the newspaper and Bharathi ends up losing the movie deal. A war begins and both music directors hate each other and can’t even stand to hear the other’s name. Bharathi is very successful while Kannan, who is basically unknown, drinks away his sorrows.

Padayappa is a mechanical engineer who returns to his village from Chennai after three years to attend his sister’s wedding. Padayappa’s family have been the richest landlords of their village and Chieftains for their region. Padayappa’s great grandfather had decreed all Hindu marriages in their region must take place in the Murugan temple, after the chieftain has verbally confirmed the consent from bride and groom. This tradition has been followed for 100 years and now Padayappa’s father is the chieftain. Padayappa’s younger sister is engaged to their maternal cousin Suryaprakash. During his stay, he comes across Vasundhara, and falls in love with her. However, shyness and fear of Neelambari, her landlady, prevents Vasundhara from initially expressing her feelings. Additionally, Neelambari is Suryaprakash’s spoilt US-returned sister who also loves Padayappa.

A seemingly down-to-earth guy Arun (Arvind Swamy) leads a life of a computer hacker by day and thief by night. When he meets Madhu (Isha Koppikar) whom he fancies, he wishes to turn over a new leaf. But Arun’s rogue brother, who has been blackmailing him since young to do his dirty deeds, does not think likewise. A deep love-hate relationship between them which unfolded during their childhood days traps Arun into a life of crime. How Arun chooses between his family and love forms the crux of the story.

A young couple in love elopes to get married. They witness a minister’s murder in a secluded temple. A police officer from Kerala investigates the murder and unveils the real brain behind the murder.

Kuselan, a rich man, who has nine children, wants to see them married before his death. Hence, he announces large-scale interviews with the dowry of one crore for the chosen suitors.

Deva and Shiva (both played by Ajith Kumar) are twins. Deva, the elder, is deaf and mute; but he is a genius, an expert at lip-reading, and the head of a successful advertising company. Shiva loves and trusts his brother. Priya (Simran) wants to marry someone who is an ex-smoker, ex-drunkard, and who got ditched by a girl but is pining for her. Learning this, Shiva, with the help of his friend Vicky (Vivek), invents an old romance between him and Sona (Jyothika), and finds his way into Priya’s heart.
Meanwhile, Deva chances upon Priya and lusts for her. His obsession continues even after his brother gets married to the girl of his dreams, and he devises various means of getting close to Priya and keeping Shiva and her separated.

Vijay (Arjun) is a hitman who works for Sundaramoorthy (Radha Ravi). He kills anybody for a price, other than women and children and he lives alone in an apartment. Pooja (Pooja), a young girl, studies in a boarding school and comes to her father’s house for the holiday. Between her abusive father, selfish stepmother and an arrogant step-aunt, Pooja feels rather badly but she treasures her lovely little brother Dinesh (Mahanadi Dinesh). Pooja tries to befriend Vijay but Vijay is not interested. Her father is a drug smuggler. One day, a corrupt police officer Jayanth (Raghuvaran) kills Pooja’s family including her brother. Vijay decides to accommodate Pooja and Pooja compels him to teach her his skills as a hitman. What transpires later forms the crux of the story.

Vasu (Ajith) is a ruthless rowdy who lives in a cinema theater owned by Vinu Chakravarthy. He had a tortured childhood and wastes his days by drinking, fighting, and sleeping. It all starts when Vasu’s friend Dhamu loses an Annamalai movie reel to Mohana (Shalini). Vasu and Mohana clash when he attempts to retrieve the reel. Mohana’s family are members of the police, headed by Birla Bose (Nasser), Mohana’s father. At this point, Tulasi Das (Raghuvaran), an ex-mafia “dada” who spent many years in jail because of Bose, comes to the theater. He does not like Bose and hires Vasu to kidnap Mohana. He cries out his woes in the song “Satham Illatha.” Mohana falls in love with him after hearing his pain. When Tulasi realizes Mohana loves Vasu, he hires Vasu to pretend he loves her back. At first it is just pretend, but then he too begins to love her. Tulasi visits Bose to inform him of his daughter’s love for a gangster and realizes Mohana is indeed his daughter. A flashback showing the parted friendship between the two men, and Ganga (Raadhika), Tulasi’s wife, abandons him and their child when she comes to know her husband is a don. Knowing Mohana is his daughter, Tulasi instructs Vasu to give up his love. When Vasu refuses, Tulasi visits Mohana and tells her about his ploy and that Vasu’s love for her was fake. Eventually, Vasu proves to Mohana his love was true and unites with her after a clash between the cops and some goons of the locality.

A prisoner falls in love with the district collector’s daughter while giving her music lessons. Fearing opposition, they elope to a village and befriend the village chief who vows to get them married.

Muthu (Karthik) is the favourite employee at Rojavanam, a home for the aged owned jointly by two friends (Ravikumar and “Nizhalgal” Ravi). Sindhu (Malavika) is a psychology student staying at the home. Muthu falls in love with Roja (Laila), the daughter of his boss but learns that the boss and his friend, had decided long ago that their children would be married and this has resulted in the friend’s son growing up enamoured of Roja. Roja’s father accepts Muthu as his son-in-law but his friend, angered at this, decides to bulldoze Rojavanam to the ground. But Rojavanam saved by muthu with marrying Roja and Siva. At the climax, Muthu gets married to Sindhu. After a few years, Muthu, now old, is seen asking a few advocates to fight for Rojavanam.

Rangan (Nasser) is a very ugly man and therefore lives a tough life. He is kicked out of jobs, ill-treated constantly, and the girl he loves hates him. Then one day, Rangan goes to the houseandsome. With the Mask, Rangan generates followers, becomes a film star, and gets a wife who loves him solely for his handsome face (Roja). Nearing the end, Rangan takes off the Mask for a moment, and wishes people would respect him for who he is on the inside. His wife walks in, sees his ugly face, and throws him out, mistaking him for a robber. Rangan’s former followers throw him to the side. Deciding that only beauty can bring him respect, Rangan puts the mask back on and lives the life of actor.

Kutty is a good-hearted soul, but unfortunate incidents tend to portray his ruffian side whenever he encounters the girl he loves. A bizarre incident brings them closer and yet keeps them apart.

Mansi becomes famous with Vikrant’s help after her former boyfriend’s family members insult her and her father. Problems arise when her ex-lover apologises to her and tries to win her back.

Thiruppaachi and Sengulam are neighboring villages with a history of enmity between them. Maayan (Manoj) and Machakanni (Riya Sen) meet on the day of her engagement and its love at first sight. Her marriage itself gets called off when the groom and his family insult Machakanni’s family and her romance with Maayan continues. But when her brother finds out about him, all hell breaks loose. The turned-down bridegroom is still itching for revenge and figuring out that the only way to extract it is to marry Machakanni, he pleads for forgiveness and succeeds in melting her brother’s heart. The marriage is finalised but Maayan’s friends swear to unite the star-crossed lovers. There is also a subplot of Maayan’s aunt (Radhika) trying to get her daughter married off to Maayan.

Just as everything was falling into place for, a man is distraught when the girl he loves dies in a blast. Fate plays yet another trick on him when he finds himself face to face with her lookalike.

On a business trip to Switzerland, Vijay meets Meenu and decides to get married to her. Meenu’s brother Nagaraj asks Vijay to leave India and get settled in Switzerland with his family.