Ponnaiah, a factory worker, loses his eyesight after an accident, and his family faces financial trouble. So, Bhaskar, his son decides to go to work to support his family.

Through reincarnation, family members are able to cross generations and meddle in each others’ lives.

A man struggles to sell his house that is haunted so he arranges four people to live in the house for a few days to prove that there are no ghosts.

A young man from a weaving family vows to restore it to its past glory by taking on a textile magnate.

Bhaskaran, a college dropout, along with his friend Nallathambi starts a coaching class for students in order to win the love of a young professor, Chandrika.

Karthik, an IAS aspirant, and Subbalakshmi, a pretty woman, fall in love. But Karthik’s father opposes the match.

The movie is about a loyal servant, Muthu (Rajni), working for Zamindar Malayasimman (Sarath Babu) and the cunning plans by the uncle of Malasimman to capture the whole wealth which uncovers some mystery about Muthu.

Karan (Shahid Kapoor) is a shy and nerdy canteen boy and college student, running a café with his friend Murugan (Johnny Lever), and Tanya (Rimi Sen) is a student in the same college. She is the most popular girl on campus. Karan is in love with Tanya but is too shy to tell her. After he musters some courage and rescues her step-brother from some goons, he catches her attention and is eventually able to invite her to a fake birthday party. On her way there, Tanya witnesses the murder of a scientist, Khurana (Om Puri) by his evil twin brother, the underworld don Mehboob, and as a result is forced to flee the country to save her own life, since the law had been bought out by the very same killers. The scientist had stored a secret code in a stuffed toy, a parrot, now being sought by Mehboob, and Khurana was able to hide the toy in Tanya’s car before being killed. Unawares, Tanya leaves the toy at home before fleeing the country, and the toy is later picked up by Karan, ignorant of Tanya’s fate.

Sera (Krishna) is a man who earns his living by retrieving dead bodies from Kodaikanal’s Green Valley View suicide point. Nandu (Karunas), Shanmugam (Thambi Ramaiah), and a mute friend are part of Sera’s crew. Sera meets Kavitha (Bindu Madhavi) when he and his crew retrieve her sister’s body from a gully after her sister had committed suicide with her boyfriend. Kavitha falls in love with Sera. A parallel plot is of Ayya (Jayaprakash), who trades in stolen tea, with corrupt officials turning a blind eye to his activities. Iyya’s gang kills 4 police officers during a raid and throws the dead bodies from the suicide point. Ayya, who knows Shanmugam, threatens him not to retrieve the bodies of the police officers. Fearing for their lives, Shanmugam tries to convince Sera not to retrieve the bodies. Brushing aside Shanmugam’s fears, Sera’s crew retrieves the bodies. After retrieving the bodies, Sera informs the police of the murder by Ayya, resulting in Ayya’s arrest. Ayya comes out in bail, and his men kill Shanmugam, Nandu, and Sera’s mute friend. Sera kills Ayya’s henchmen. Kavitha consoles Sera, and they both decide to run away from Kodaikanal to lead a peaceful life. They both board a jeep, and on the way, Ayya arrives with his men, and they start attacking Sera. Sera kills most of them and also Ayya. He rushes back to the jeep but is shocked to see Kavitha dead. Sera understands that Kavitha was accidentally stabbed to death during the fight. Sera cries loud, jumps from the mountain, and kills himself along with Kavitha’s dead body.

Bala (Gemini Ganesan) and Bhanu (Jayanthi) are a happily married couple. Everything seems fine till Sheela (Vanisri) enters their lives. Bala is a tennis champion and Sheela claims to be his fan. The family members raise objection to this liaison but Bhanu trusts her husband blindly. Bala takes undue advantage of this trust and continues to meet Sheela on the sly till one day Bhanu stumbles upon the truth. This breach of trust breaks Bhanu which eventually leads to her death. An unrepentant Bala takes this as an opportunity and proposes to marry Sheela. His mother is shattered but gives in to his demands. An elated Bala rushes to Sheela only to find her missing! Was it poetic justice?

Ambikapathy escapes to Chennai to fulfil his dreams and he earns a living by selling goods on a beach. He faces many hurdles along the way but manages to overcome them in his pursuit for happiness.

Appu and Raja are twin brothers who were separated soon after their birth. Years later Appu, a dwarf, has become a circus clown and is loved by everyone while Raja is a car mechanic. When Appu’s love is rejected as he is a dwarf he tries to commit suicide. His mother comforts him and reveals to him that while she was pregnant with her twins their father Sethupathy was killed by four criminals Francis, Dharmaraj, Nallasivam and Satyamoorthy and also poisoned her which is the reason he turned a dwarf. Appu now decides to take revenge against the criminals but his lost twin brother Raja is framed for his crimes by mistake.