A renowned actress, Aswathi, is murdered. When a CBI officer, Sethurama Iyer, investigates the case, he unravels a dark secret about Aswathi which brings forth several complexities.

Shiva, a CBI officer, goes undercover as a student to hunt down a terrorist, John Chinnappa. However, the daughter of a crime witness, Pooja, has become John's next target and Shiva must protect her.

Krishnamurthy is appointed by a real estate company to vacate Vietnam Colony, a place buzzing with illegal and antisocial elements.

An aspiring Hindu director falls in love with a Christian girl whose parents disapprove of their impending relationship.

Raghava (Lawrence) is a happy go lucky guy who loves to play cricket but is a chicken at heart. The very mention of the word ghost gives him shivers so much that he sleeps with his mom (Kovai Sarala). He is also in love with Priya (Lakshmi Rai). However, an attempt to play a cricket match in an unused ground leads Raghava to get something dark to his home. The dark spirit begins to cause few weird things at home and one day it enters the body of Raghava which goes on killing few specific people. Who is that evil spirit? Why is it killing few people? Can Raghava get rid of the spirit? All this forms the rest of the story.

The story revolves around three unemployed people who get involved in a kidnapping saga due to a case of mistaken identity.

Auto rickshaw driver Manickam avoids violence at all costs. When some thugs begin to intimidate Manickam's family, it triggers the revival of Manickam's old self.

A CBI officer goes in search of a ruthless serial killer. Things get worse when the murderer targets the former and her family