A young agriculturist Velu (Kamal Hassan) goes to extremes to attain revenge against his devious landlord and her family. He is an upright young man, but when his family gets cheated out of money, he decides it’s time to take a stand. Donning various disguises, he-with help from his sister Valli (Thulasi)-sets out seeking justice against the landlord and her confrontational daughter Geetha (Ambika) and son Pazhani (Raveendran).

Three friends – Meet (Vivek Oberoi), Prem (Aftab Shivdasani) and Amar (Ritesh Deshmukh) – are all unhappily married and have unsatisfactory sex lives. Meet thinks that his wife Unatti (Karishma Tanna) is having an affair with her boss; Prem thinks that his wife Tulsi (Manjari Fadnis) doesn’t spend quality time with him and Amar feels that his wife Mamta (Sonalee Kulkarni) is more concerned about their son, Pappu.

Siva Rao (Veerasanthanam) is a Thol Pavai puppeteer. He and his family go around villages, performing the art for his survival. He is struggling to make both ends meet.
When they land up in Tirunelveli, a rich man Chelladurai (S. Theodore Baskaran) decides to support the family, for his young grandson Jothi (Jai) loves the art and their family. Thamizharasi (Nandhagi), iva Rao’s granddaughter, is enrolled in a local school, who grows up and works hard to pass out in flying colors in her higher secondary.

The film starts in a courtroom where a woman Janaki (Meena) is fighting for divorce from her husband Pandian (Kamal Haasan). She offers various reasons for wanting a divorce. She has married Pandian against the wishes of her rich father Vishwanathan Iyer (Gemini Ganesan). But she isn’t able to come to terms with living in Pandian’s small house without amenities. Pandian is an assistant dance director with a modest income and is not able to spend much time with the family. All this accumulates and Janaki decides to apply for divorce, which is granted. The court orders that Pandian can meet his daughter Barathi, once a week and this is his only solace. His daughter, however, loves him a lot and doesn’t like the arrangement. Basha (Nassar), Pandian’s Muslim friend who works in a hotel as a chef, advises him to steal his daughter from Janaki. Pandian goes about trying to do as his friend suggests. In doing so, he is discovered; and now he cannot meet her at all. Then Pandian finds out that Vishwanathan Iyer has advertised for a woman to look after his granddaughter. Joseph (Nagesh) is a makeup man in films. In conversation with him, Pandian gets the idea of playing an old woman, so that he can be with his child and ex-wife without knowing them. Joseph agrees to this plan and the transformation is done from Pandian to “Avvai Shanmugi”– (also Kamal Haasan) a dignified, elderly Iyer woman, who is hired to take care of the little girl.

Rudra, a small-time burglar gets into a palace full of ghosts. Along with the ghost, she finds out the mystery about the owner of the palace- Annabelle Sethupathi.

Johny (G. V. Prakash Kumar) is a happy-go-lucky guy who is mistaken as a notorious gangster by his lover Hema’s (Anandhi) father Dass (Saravanan) aka Naina, an ageing gangster who wants a person to replace him as the Naina in Royapuram and become his son-in-law. Johny has a disease which causes him to repeat his previous words if he sees blood. How Johny eliminates his rivals and becomes the next Naina forms the rest of the story.

Vijayalakshmi Balakrishnan alias Viji is a happy housewife who finds happiness by competing in contests. Despite being belittled by her twin sisters and father, she is happy with her life with her husband Balakrishnan alias Baalu and son Siddharth. One day, Viji takes part in a contest organized by Hello FM celebrating World Tourism Day. She ends up winning the contest. Later, Viji happens to come across a an audition called “Neenagalum RJ Aagalaam”. She signs up and for it and gets the job of a disc jockey who anchors a late-night show.

All’s fair in love, even SK, the protagonist, who in this gender-bender of a role masquerades as a woman to nurse his relationship with a lovely young doctor.

When Maaniik is convinced that he is cursed in love, things take a turn for the better when a girl named Keerthi walks into his life.

Follows a new couple and their families, who find themselves examining modern love and family dynamics amidst clashing cultures, societal expectations and generational differences.

Meena and Geetha fall in love with two guys, who apparently are college professors. The girls’ brother Krishnamurthy, an MLA, abandons the plan to get them married to ministers’ sons and reluctantly accedes to their wish. The girls are married off to their respective lovers, only to learn that the duo are not college professors, but two unemployed youths in search of jobs. Thrown out of the house by the furious family, the men open a fast food eatery to prove a point to their unforgiving wives. How the matter is resolved forms the rest of the story.

Three struggling room-mates unknowingly become potential prey of a ruthless gangster.