Gautam and Nithya become friends. Will the friends turn lovers?

When a meteor crashes on Earth, it brings with it single-celled organisms which evolve rapidly. However, four professionals stumble upon these aliens and must stop their growth to avoid an invasion.

A demanding father pressures his son into attending medical school, despite his protestations that he does not wish to study medicine. However, due to a mix up at the admissions office, the man’s life changes forever.

A doting wife goes through a hard time trying to save her husband who is possessed by two spirits.

Singaravelan “Velan”, on his birthday, tames a wild bull by just talking to him. He seems to share a special bond with animals as he works in his farm filled with animals. Later that day, his mother, Parvathy, calls him and decides to tell him the truth about his late father. Velan, in his imagination, thinks that his father was killed by four goons (as is the case of many Tamil films then) but soon learns that his father did actually die of a brain illness like he had been told before. But, he had died heartbroken that his marriage with Velan’s mother was not accepted by her sister-in-law and they had broken all links. Further, they believe that it was Parvathy’s curse that killed her brother and sister-in-law in a car accident and they get a promise from the guardian, that their daughter should not be married to Parvathy’s son. Velan’s mother reveals that it is Velan’s duty to get married to her brother’s daughter Sumathi to bring the separated family back together. Armed with only a picture of the girl when she was four, he leaves for Madras to fulfill his mother’s wishes.

Arivu, an unemployed youth, strives to find love and settle down but luck does not favour him. Just when he falls for Savithri, an ex-lover returns and creates problems between them.

Varun is a military doctor who visits Chennai and gets caught up in the pursuit of a missing girl. How Varun and six others take on human/organ trafficking lords forms the rest of the story.

The village chairman Kalingarayan (Sakthivel) and his son Rajappa (Uday Prakash) spread terror among the villagers. Whereas Kattabomman (Sarath Kumar) is an angry man who cannot tolerate injustice. He was brought up by his grandfather (Nagesh) and his widowed mother. His family and Kalingarayan’s family are in a feud for several years. Kattabomman falls in love with Kalingarayan’s daughter Priya (Vineetha) and he gets married to her without their family’s wishes. In angry, his grandfather tells their past. What transpires later forms the crux of the story.

Subramani is a fun-loving young man who has two playful friends. They want to become rich without toiling for it. Subramani decides to woo Mahalaxmi to inherit all her wealth.

Police Pandi (Soori) the owner of a real estate agency, borrows 15 lakhs from Vatti Varadhan (John Vijay), a local rowdy and don to start his business. Murugan (Vikram Prabhu) is Pandi’s assistant, and he gives the media an advertisement in which he persuades people to buy land from ‘his’ company, making many people persuaded from it. A billionaire wants to buy all the land, and when he is about the to sign the papers, they find out the land is actually a graveyard, causing the billionaire to not buy the land. When they are in the bar drinking alcohol, a call comes on Pandi’s phone. Murugan answers it, thinking it was the broker who sold them the land, but it was actually Varadhan. Murugan talks to Varadhan in foul language, and when he ends the call, Pandi tells him it was actually Varadhan. He then goes to another table and asks a man for some wine. The whole group befriends the man, who is mute.

A Business Fight between Young Entrepreneurs who start an Internet Radio Station, and A Magazine Publishing Corporate. The Internet Radio station hosts a Talk show on Marriage and Matrimony which kindles crazy thoughts among the public.

Vijay, a guy with a careless attitude, gets Selvam, a senior home inmate, to act as his dad for an important business deal. Gradually, both help each other through their own experiences and problems.