A paranormal investigator is employed by a university to investigate a series of mysterious deaths some are attributing to supernatural causes.

After losing her husband at a young age, Deivanai protects her son Puli so that he doesn't get embroiled in violence and village politics. Unfortunately, Puli follows his deceased father's footsteps.

Madhavan Mahadevan, who comes into the city from a village to see off his sister-in-law and her daughter after the death of his elder brother, an upright Customs Officer (KB Ganesh Kumar). While running around to claim the insurance money, he comes to know that his brother was actually murdered by the underworld don Irumbanakkal John (Joy Mathew).

An angry young man tries to give up his violent ways after his marriage runs into trouble. But his nemesis will not rest until he is killed.

Sivakumar is a timid young man, with a loving family in Madurai. His brother, a government official, earns the wrath of Simmakkal Ravi, the all-powerful gangster in the city. When he is murdered, Sivakumar and his father Kalayanasundaram plan to take revenge, in their own separate ways.

The story revolves around a mahout and his trained elephant.

Sundarapandiyan , who has finished college and goofs around in his village with friend Murugesan , decides to pitch in when Arivazhagan seeks his help in wooing Archana . But she rejects Arivazhagan and also another suitor Bhuvaneshwaran. Complications arise when she says she has been in love with Sundarapandiyan for a long time.