The film revolves round the lives, joys and sorrows of three friends, whose profession has to do with handling corpses.
A young man with agoraphobia tries to get his sister married to the right guy. When things go horribly wrong, can he overcome his fears and ensure that justice prevails?
Udhayakumar and Vasanthi are collegemates and they fall in love. But soon he comes to know that she is engaged to be married. After he moves to Chennai and finds a job as a reporter at a magazine. He tries to fight for social change. In the process , he unknowingly gets to know a group of unsavoury characters who promise to help him in his goals. They frame him up. One day Udhaya is arrested for a crime involving a terrorist plot which he is not responsible. The movie is about how Vasanthi fights to prove his innocence and to get him out from behind bars.
A senior cop and his team of two are after a serial killer who is giving them nightmares. Shocked after finding who the next possible victim is going to be, the cop tracks down the assassin with the help of various clues.
When the chairman of a multi-specialty hospital dies mysteriously, a cop begins an investigation which leads him to find more bodies.