A journalist is illegally jailed for exposing two corrupt politicians, He exacts revenge through his new mysterious newspaper.

Kottayam Kunjachan, a small-time thug, gets out of jail after serving a term of seven years for killing a person. Once out, he tries to lead a good life but gets embroiled with a family feud.

Enroute Madras via train, when three friends get falsely accused of a mysterious homicide, they escape and desperately search for the real killer.