Karthik, a carefree management graduate, abstains from taking up a job. One day, he, along with his close friends, decides to conduct a straw poll by dating three women and then choosing the best one.

Prabhakaran travels all the way from Tamil Nadu to Kolkata for a purpose. He takes up a job in a college and meets Aishwarya. He also comes across Paro in Kolkata and they end up falling head over heels in love with each other. Meanwhile, there is a group in the look out for Prabhakaran at the behest of Eswara Pandian and his son. The ensuing sequence of events results in Prabhakaran revealing his true face through a flashback and there begin the twists and turns, which also unravels a sibling story with underworld background.

Balu, on a visit to his friend's hometown, falls for the latter's sister, Hema. When he learns that this area is ruled by a local goon, Kaasi, Balu teaches him a lesson. Now, Kaasi is seeking revenge.

Ganesh comes to Chennai to pursue his studies. A group of goons are on his pursuit. A kind hearted Ganesh is eventually forced to go back to his old ways to fight them and restore order.

A cop, doesn't believe in finishing criminals in fake encounters but in a judicial way. A powerful politician hires an assassin to get rid of his competitors.

A man comes to Chennai with a mission to find his brother, who had run away from his house about two decades ago. But a series of events make them both a part of unexpected happenings.