Siva aka Maanga is an eccentric inventor and his constant experiments, which often end up in failure, make him a terror to his apartment folk. Disheartened, he tries to commit suicide in a decrepit house which holds a couple of secrets.

Azhagarsami loses his only source of livelihood, a horse. At the same time, during the Thiruvizha festival, the horse meant to carry the temple deity also goes missing.

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.