Rajini is a poor man who works in a labor factory. He works only to give his money to his drunkard father (Senthaamarai) who tortures him for that right from his childhood. Rajini gets a chance to go to work in Vijaykumar’s factory. After that he learns that Vijaykumar is his father. How they unite forms the story.

Rajini is working as a coolie in a factory. He is asked by three brothers (Nizhalgal Ravi, Radharavi, S. S. Chandran) to act as a foreign-returned rich man, the heir of a property. Rajini acts, but always escapes as he doesn’t want to face consequences. But then he comes to know that he is the heir to the property, his father was killed by three brothers to take away the property and mother (Sujatha) became a mental patient. He avenges the death of his father by killing the villains. At last, he says he doesn’t want to be an heir to money and always remains as a coolie.

Nandini is a rich girl raised by her three loving brothers. However, after an astrologer predicts that she will marry a man of her choice, her brothers try to protect her all her life.

Radharavi is a very rich businessman and has industry with lot of workers. Radharavi bribes the workers union leader Ponambalam if any protest rises from the workers union. Ponambalam cheats the workers by telling the workers that the salary will increase by 5%, but they don’t give up till 7% increase and again the workers stand on the ground protesting. Meanwhile, Ponambalam goes inside alone and gets brandy from Radharavi and again comes out telling now at least 6% increase in salary is agreed by Radharavi and thus tries to settle the protest. Here Sharat Kumar interferes and says that 20% increase is needed. For this whole worker union support Sharat Kumar and make him the leader. Sharat Kumar has a sister who is a close friend to Meena, the daughter of Radharavi. Meena loves Sharat Kumar seeing his good character. Radharavi is very angry with Sharat Kumar already, but tries to change him to be friendly and be like Ponambalam. Radharavi invites Sharat Kumar to the party as Sharat is the new union leader. At the party, Sharat is given a big car and already was given a good clothes to wear for the party. Sharat likes the car and takes the car key and drives the car and damages the car. Sharat also throws away the clothes and says that he prefers to be a poor man till others are given the same offer and comes out of the party. Radharavi has a son who finished studies and come to support him in business. The son of Radharavi falls in love with Sharat Kumar’s sister.

Saravanan, a psychiatrist, meets up with his foster brother Senthilnathan alias Senthil, and his wife Ganga while on vacation. Senthil’s mother Kasthuri wanted Senthil to marry Priya, the daughter of his father’s cousin Kandaswamy, to reunite the two branches of the family after 30 years of separation because Senthil’s father chose to marry Kasthuri instead of Kandaswamy’s sister, Akhilandeshwari. Saravanan learns that Senthil had bought the Vettaiyapuram mansion, despite attempts by the local village elders to dissuade them, and moves in with them. Akhilandeshwari is jealous of Saravanan and plots to kill him with the help of her assistant Oomaiyan.
When the family visits their ancestral temple, the chief priest reveals the reason everyone fears the mansion. A hundred-and-fifty years ago, a king named Vettaiyan travelled to Vijayanagaram in Andhra Pradesh, where he met and fell in love with a dancer named Chandramukhi. However, she did not reciprocate his feelings as she was already in love with a dancer named Gunashekaran. As a result, Vettaiyan took her back to his palace by force. Unknown to him, Chandramukhi made Gunashekaran stay in a house nearby and had meetings with him secretly. When Vettaiyan discovered this, he beheaded Gunashekaran on Durgashtami and burnt Chandramukhi alive. As a result, Chandramukhi’s ghost tried to take revenge on Vettaiyan, who with the help of various priests and sorcerers from all over the country, tames the ghost by locking it up in a room located in the palace’s south-west corner. Priya is in love with Vishwanathan, a dance professor who reciprocates her feelings. Their love is supported by Saravanan, who requests Kandaswamy to arrange their marriage.

Raheem (Shakthi Vasudevan) and his well-trained pigeon Saara are alone in a coach aboard a train when a blind man enters and reaches an open door. Raheem saves the man, but the man turns out to be an assassin and throws Raheem off the moving train to his death. Raheem’s death is ruled a suicide, but Raheem’s fiancée Sangeetha (Saara Deva) knows that Raheem had no reason to kill himself. The same night, Raheem appears in Sangeetha’s dream and says that he was murdered. The following day, Raheem’s case is forwarded to the CID at Sangeetha’s request.

Bhuvana, A lonely girl who is parentless longs for true love and parental care. Though Bhuvana is a granddaughter of a rich businessman he has no time to spend time with the child. The child wants to travel in the Rickshaw along with other children and she wants to be with Rickshaw Mama (Rickshaw uncle) aka Raja who takes of care of kids with love. Bhuvana is been attempted to kidnap and Raja saves her. Bhuvana is very adamant to go to school in the Rickshaw and her care taker appoints Bhuvana to drop in and pick up from school. Initially Rickshaw Man wonders why is he appointed for pick-up and drop when the child itself is rich enough. Later finds out that the girl is longing for love and affection. He takes care of Bhuvana with full affection and care and looks after her like a father. Since Bhuvana is under his care the kidnappers are not able to kidnap her. Raja brings home a woman and she is very fond of him and she starts loving him. However she is jealous of the child and Raja’s affection for the girl, she wanted him solely for her. She drives away the child by saying that Raja will love and take care of his own kid only rather than her. This drives Bhuvana crazy and she runs away. Unfortunately meeting with an accident. Bhuvana is admitted in the hospital and her grand father comes to visit the child. Rickshaw man finds the truth and rushes to see her in the hospital. The grand father is shocked to see him and asks his men to drive him away and Raja is injured. He also finds the truth that the child is his own daughter.

Ambitious Industrialist Shanthi Devi(Vijay Shanthi) meets her match in her employee Krishnan(Rajinikanth). Who Impresses her but there is a huge ego war and tension between them. Shanthi Devi who is portrayed as a Lady who cannot cope with failures gets a surprise defeat from her employee when He challenges her candidate in Her Factory union elections this starts of a series of events which Makes her form a plan of marrying Krishnan and spoiling his life whether she was successful or not forms the crux of an interesting plot.

Vellaisamy (Parthiban) is an orphan who was brought up by a Brahmin couple Sambasiva Iyer (K.Vishwanath) and Savithri (Lakshmi). Vellaisamy is very loyal and attached to the old couple. They also look after Vellaisamy as their own son. Gayatri (Preetha Vijayakumar) is the only daughter of Sambasiva Iyer and Savithri who returns from the city after completing her education. Vellaisamy is very much attached to Gayatri also and he looks after her as a kid. Kanmani (Manasa) is a local worker who develops affection over Vellaisamy impressed by his good nature. Suddenly, Savithri passes away due to cardiac arrest. Sambasiva Iyer is terribly shocked after his wife’s death and Vellaisamy takes care of Iyer. Meanwhile, the villagers talk ill about the relationship between Vellaisamy and Gayatri. At one instant, even Iyer gets angry hearing on the comments made by the public. Later, Iyer understands the pure bonding shared between Vellaisamy and Gayatri. He feels bad for doubting them and he also passes away suddenly. Gayatri is left alone following her parents’ death and Vellaisamy decides to take care of her until she gets married. Vellaisamy takes the responsibility of getting married Gayatri to the person she likes. He approaches Visu, a judge with a marriage proposal between Gayatri and Visu’s son. Visu is also interested in the proposal as he is surprised to see a person who takes all the effort to get someone married who is not related to him. But on the day of marriage, a few people come to the wedding hall and make some bad comments about Vellaisamy and Gayatri.

Mridula and Arun are a young couple, who meet accidentally, and fall in love with each other. Both come from wealthy families, and are reluctant to get married unless they find out if they are suitable for each other on a long-term basis. So they decide to live together for one year. During this process, Arun tragically passes away, leaving Mridula devastated. Time goes by and Mridula is unable to get Arun out of her mind, and keeps on seeing him everywhere. Her family feel that if she re-locates abroad, meets new people, which may assist her to heal. So she re-located to Britain. Once there, she meets with a young man, Manu, who is attentive and attracted to her. Mridula appears to be recovering, and informs her parents as such, and even agrees to marry Mano. Then the next day, her parents are shocked to see that Mridula has changed her mind about marrying Mano, and runs away from home. When she returns home, they find that she has relapsed and has begun to see Arun all over again.

Subramaniyam Siva (Ajith Kumar) is in jail, awaiting the death sentence for killing corrupt and evil members of the police force who had killed his father SI Ganapathy (Rajesh) and sister. SP of Police Nethiadi Nandakumar (Prakash Raj) is an honest, fearless and upright police officer who has been given the mission to flush out the terrorist outfit behind the Coimbatore blasts. He decides to employ unconventional methods to fulfill his mission and engages Siva to assist him, renaming him Paramasivan and giving him a single-point agenda – trace out and erase the people responsible for the Coimbatore blasts. Unaware to Paramasivan, Nandakumar intends on killing him after the mission is completed.

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.

Balakrishnan (Pasupathy) is the owner of a barber shop in a remote village. His family consists of his wife Sridevi (Meena) and three children. Balakrishnan struggles to persuade customers to visit his barber shop while his competitor Shanmugham (Vadivelu), a former worker of Balakrishnan who has his own barber shop across from Balakrishnan’s, uses cunning means to make business in haircutting. Balakrishnan’s downfall in business causes him to neglect paying his children’s school fees. Although he struggles to make a living, he still enjoys spending time with his family.

Sadhu (Tamil: சாது) is a Tamil-language Musical film which is Directed by P. Vasu & performed by Arjun, Raveena Tandon and Released on 22 July 1994.

Walter Vetrivel is an honest police office, who delivers justice even if it is against his family. He refuses to spare his criminal brother when he discovers that he is involved in malpractices.