Major Mahadevan (Mohanlal) is an officer deputed to the National Security Guards (NSG). He has been assigned to counter-terrorism duties in Kashmir and commands an elite group of NSG commandos. He calls back his buddy Havildar Jaikumar (Jiiva) from his honeymoon because he has information about major activities of the militants; he feels Jaikumar is needed for the team. The commandos raid a mosque in civilian dress and seize a big collection of arms and explosives. Later, during an operation focused on some cottages near the Dal Lake, a commando in the team is killed and an outraged Jaikumar shoots down a captured terrorist who challenges the commandos. A human rights activist (Shwetha Menon) learns about this and threatens to file a complaint with the government. She later understands the situation and the sincerity of the commandos and decides not to proceed with the complaint.

Sami Srinivasan (Srikanth), a Brahmin boy, and his friend Karunakaran (Vishnu) grow up in the Royapuram slums and attend the same school. Karuna is a rough and tough boy, but Sami is bit naive. They are close buddies. Once, they see their class teacher Roja (Pooja Umashanker) being brutally murdered before their eyes by a gangster. Dejected at local police not taking any action, Karuna kills the gangster but gets caught by cops. Sami tells the police that Karuna committed the murder. Though both are bailed out of trouble, enmity brews between them. As years roll, hatred increases: Sami is against Karuna. Trouble erupts when Sami loves Karuna’s sister Malar (Poorna). In the meantime, Shruthi (Poonam Bajwa) loves Karuna. What happens between the two forms the rest of the film.

The film is set in the backdrop of a village near Usilampatti, in Madurai district. Mayandi (Manivannan) and Virumandi (GM Kumar) are siblings with disputes over settling their properties. Mayandi insists giving a portion of their ancestral properties to their step sister for which Virumandi does not agree. This creates enmity in Virumandi and his sons against Mayandi and his family.

Mayandi has four sons(Thavasi (Ponvannan), Virumandi (Seeman), Cheenisamy (KP Jagannath) and Paraman (Tarun Gope)) and one daughter (Mayakka (Deepa)). All the sons except Paraman get married and they live as a joint family. Paraman falls in love with his schoolmate Poongodi (Poongodi). Paraman gets admission in to engineering and Mayandi sells a portion of his land to pay fees for Paraman. This angers the wives of Thavasi and Virumandi. They keep insisting on partitioning the properties between four sons thinking that Mayandi is spending more for the education of Paraman while the other three sons are not educated properly. But Paraman’s brothers are so affectionate towards him and they prefer staying together. Suddenly Mayandi passes away due to electric shock when he steps over a wire unknowingly. Now the wives of Thavasi and Virumandi again keep insisting on property partition. And the properties get partitioned into three leaving Paraman as his portion was already sold by Mayandi to pay the college fees.₹ 2.3 million

A village couple, Karthik (Senthil) and Thenmozhi (Vijayalakshmi), migrate to the city after their marriage. Karthik works as a manager in a firm, and they live happily and help everyone around according to their capacity and have a beautiful daughter, Vennila. Meanwhile, Ilavarasi (Srinda Ashab), a new neighbor in their apartment arrives, and she lives right next door. Ilavarasi is the daughter of a rich money lender. He is a greedy loan shark who goes to any extent to get his loaned money back from the people who borrowed it. He loves his daughter and will get anything she points at and will do anything for her. Ilavarasi, as a result of this upbringing, is an arrogant, spoilt brat of a woman and she is married to a spineless man who does whatever she bids him to do. Though Thenmozhi does not have a good opinion about Ilavarasi in the beginning, they become friends after an incident where Ilavarasi thrashes a stalker who was harassing Thenmozhi repeatedly over phone. Soon, the women become good friends and enjoy each other’s company over the day and spend a lot of time together.

Venba’s family members believe that she has been kidnapped and is in danger. However, they are unaware that the suicidal teenager is exploring exotic places and learning life lessons from an old man.

Vasanthi (Bhavana) is the daughter of a man (Lal) who does a lot of help for the refugees. She instantly falls for Jeevan (Jiiva), a Tamil refugee staying in the camp in Rameswaram. Jeevan, nurturing a dream to go back to his homeland, keeps on discouraging the girl, who is stubborn in her love. Jeevan’s heart, influenced by the pure love of the girl, starts melting slowly. Enters Vasanthi’s cousin (Bose Venkat), who is full of dreams on marrying her. He joins as an inspector in the local police station. The whole family is eagerly awaiting their marriage. Problems arise when the family comes to know about the love. Vasanthi’s cousin and his uncle try to eliminate Jeevan. They keep on troubling him, without much success. Meanwhile, the refugees get a chance to go back, and Jeevan has to go with them. He promises Vasanthi that he would come back to marry her. The family is determined to stop him. Vasanthi decides to end her life if Jeevan does not turn up.

Kannan (Abhinay) is a carefree college student and always hangs out with his group of friends. They spent much of their time smoking cigarettes, drinking alcohol, eve teasing the college girls, making fun of the teachers and loitering around the campus after school. Kannan is also a hardcore fan of cinema actress Meera (Kanishka Sodhi). Vinay (Vinayak Raj), the senior student, is a womaniser who spoiled the lives of many girls and ragged Kannan for no particular reason. After initial clashes between Kannan and his classmate Jennifer (Aamna Sharif), they eventually fall in love with each other. Meera is a philanthropist who helps the poor and orphan children whenever she gets a chance. One day, Jennifer won a contest to meet Meera but she gives the opportunity to her lover Kannan. Kannan then spends one day with his favourite actress Meera, Meera is therefore attracted by his friendly approach and humorous speech, thus she befriends him. Kannan realizes that she is a genuine and a very humble person. The young Kannan was motivated by his friends to sleep with Meera. Kannan then openly asks her to have sex with him, Meera takes him in her bedroom and asks him to choose between sex and friendship. Kannan chooses friendship and apologizes to her.

A couple (Suhasini and Sathyaraj) who lost their daughter in an accident decides to adopt a girl from the local orphanage. But problems arise when the child’s real mother (Rekha) and father (Raghuvaran) seek to find her.

Aravindan (Vijay), Chandru (Suriya), and Krishnamurthy (Ramesh Khanna) value friendship over everything else, even family. For this reason, Chandru resists the advances of Aravindan’s sister Amutha (Vijayalakshmi). When the trio takes up a painter’s job at a mansion, Aravindan falls in love with Padmini (Devayani), who lives there. Padmini’s jealous cousin Abhirami (Abhinayashree) makes him believe that his overtures are reciprocated. When the truth is revealed and Padmini rejects him, Chandru stands up for his friend and speaks ill of her. This makes her swear to separate the friends.[2] After the marriage, Aravindan realises the hand of Abhirami behind all the mishaps, and Padmini realises that Chandru is innocent. Chandru and Amutha’s marriage is arranged. Gautham (Sriman) is Aravindan’s cousin who is in love with Amutha and wants to separate the pair. He makes Chandru believe that Padmini is trying to kill Amutha. Padmini is angry with Chandru. Aravindan tells the truth that in their young ages, he unknowingly killed Chandru’s deaf and mute brother. Gautham records this and makes Chandru hear it. Chandru and Aravindan fight and go by their ways. Aravindan tries to convince Chandru but falls from the top of a mountain. Chandru believes that Aravindan is dead, but after five years, he finds out that Aravindan is not dead but has ended up in a coma. Gautham is now torturing his family a lot. When he comes to know that Chandru has come back, he starts to beat him up. After hearing Chandru’s cry of pain, Aravindan wakes up from his coma. He beats up Gautham, and everyone rejoins and lives happily.

Two buddies Venkatramakrishnan and Sevalkodi Senthil set out in search of their long lost friend Panchavan Parivendan aka Pari. They have a nerd Srivatsan for company and through intermittent flashbacks we are told that Pari, a bright, yet free-spirited student, who through his charisma is able to convince his two friends to think for themselves, follow their heart and take challenges with a positive attitude chanting his mantra: all is well. Pari wants to change the education system and often lock horns with Professor Virumandi Santhanam the Principal whose says: “Life is a race – Run Run Run”. He wins the heart of Virumandi’s daughter Riya and the film is about his journey.

Adonis has been thriving in both his career and family life, but when a childhood friend and former boxing prodigy resurfaces, the face-off is more than just a fight.

The story is about Urvil Raisingh and Celina who meet at an event and a memorable night later. Returning back home they continue with their lives. The memories of Celina haunt Urvil. What happens next forms the crux of the unfolding drama. One Night Stand explores the hypocritical world we live in. What is it that Urvil wants?