Rudran (Girish Karnad), a very strict disciplinarian father of two daughters, hates the word ‘Love’. The very mention of this word makes him punish himself to unimaginable heights. He has disowned his elder daughter Menaka (Dhaarini) because she eloped with her lover. The strictness is doubled for the younger daughter Thilottama (Maanu), and a marriage alliance is fixed for her. She stoically accepts her father’s decision until she meets Shiva (Ajith Kumar), a local mechanic. Shiva lives with his friend Oyya (Vivek) in a mansion owned by Mess Viswanthan (M. S. Viswanathan), Shiva is always ready to accept dares. When Menaka dares him to go to Delhi to deliver a letter to Thilothama, Shiva ends up falling in love with Thilothama, but she is unable to reveal her love to Shiva and her father, as she fears the consequences. Are the lovers able to declare their love for each other and get united? Does Rudran take to it kindly?

Rajan Vasudev (Kalabhavan Mani) is an intolerable business tycoon who runs the great OPM Group of companies spread across the globe. He meaninglessly topples companies by either buying or taking the majority shares so that his company can spread across. His wife was killed 20 years ago by a rival company owner, which turned him into this way. Udhay Vasudev (Vinay Rai) is his only son, a spoilt kid who drives a Ferrari, spends lakhs everyday, and lives in one of the most sophisticated houses in Chennai. He is the sponsor for his constant companion Madhan (Yuva), who lives with him and local friend Kadukku (N. Santhanam) along with 12 bodyguards (headed by Alse Ram). Udhay meets LR Easwari (Kajal Aggarwal), a music student in Chennai in an accident and falls head on for her. He wants to mingle with her and blackmails her by saying that she has damaged his car and could work by his will to compensate the 10 lakh she owes him, and in a funny turn of events, he makes her his maid-servant. Soon, Madhan falls in love with Easwari, who has also fallen for Udhay.

A young woman posts her pictures online and emails them to a fictitious address; to her surprise, a person actually exists at the address. They meet and eventually fall in love, but a police officer poses trouble because he is interested in the girl.

Two brothers envy their step-brother Shiva as he is their father’s favourite. Since their plan to deal in drugs and arms is opposed by Shiva, the two brothers hatch a devious plan to bump him off.

Arivazhagan (Manoj. K. Bharathi) is from Chennai and has grown up to be a good-for-nothing fellow because of the neglect and ill-treatment by the hands of his parents (Jaiganesh and Fathima Babu). His only aim in life is to be an irritant to his father. The entire family attends the marriage of Savitri (Richa) in Bangalore, and when the groom disappears, Arivu offers to take his place. The marriage never happens, but Savitri shows up at Arivu’s house later, asking him to give her refuge. When he moves out of the house to take up residence with his friends, she follows him there too. Initially irritated by her, Arivu realises that he is gradually falling in love with her.

Jagan (R. Madhavan) and Jamuna (Amogha) meet in a shopping mall in Chennai. They like each other and spend a day chatting in the coffee shop. Jamuna, a believer in destiny, writes down her address and phone number on a Rs.100 note and makes the payment at the cafe declaring that if the note comes back to Jagan, then it means that he was destined to meet her. He tries hard to trace the note, but in vain. Jamuna goes back to Kolkata. Meanwhile, Seema (Pooja), who was rescued by Madhavan from some thugs, has a crush on him. Jagan, unable to find Jamuna, agrees to marry Seema. Finally, Jagan manages to get Jamuna’s address on the eve of her wedding and unites with her.

Two brothers envy their step-brother Shiva as he is their father’s favourite. Since their plan to deal in drugs and arms is opposed by Shiva, the two brothers hatch a devious plan to bump him off.

Burma joins Gurupaadham’s gang and becomes an important henchman. His daughter falls for Burma, but he is now tinged with revenge since his father was kicked out of Gurupaadham’s gang.

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.

Vasool Raja- is in a rowdy gang, where they get money from people. When his parents are coming for a visit,he & his gang pretend they are running a hospital. Later Vasool’s parents find out that they were cheated by their own son as pretending to be a doctor. Now Vasool must attend a medical school to earn his parent’s trust back. There he encounters his love at first sight (childhood friend) and he encounters his arch-enemy.

Gemini, a gangster, falls for Manisha who reciprocates his love without knowing his truth. After getting arrested and completing his term, he tries to convince his lover that he is a changed man.

The movie begins with Jeeva (Ajith Kumar), a driving instructor, leading a happy life with his mother (Sujatha). He also fell in love with Swapna (Pooja Umashankar) after several mishaps. Sujatha hides the Jeeva truth that his father (Nizhalgal Ravi), was murdered by a dada named Manthiram (Babu Antony). The mother, much against the boy’s wish, packs off Jeeva’s twin brother, Guru (also Ajith Kumar) with a family who offer to adopt him, who had been witness to the murderer from a close quarter, to a distant town. He escapes from the family and goes to Tuticorin and grows to become a gangster there.
When Jeeva visits Tuticorin, he comes across his elder brother, Guru a.k.a. Thala. Seizing the opportunity, the elder brother kidnaps the younger one and decides to go as the driving instructor to Chennai. Initially, he plans to take revenge on his mother for packing him off from their house at a very young age. He hurts her at every step and even plans to sell off all their property.

Written, directed and produced by Saran, the movie features Vinay in dual lead roles, accompanied by three newcomers: Samuthrika, Swasthika and Kesha Khambhati. It focuses on a large scale money laundering and hawala money transaction.