Vairam is the story of a father who fights for justice, as he loses his daughter who is raped and killed. When the law was blinded by political and money power, he had no other option than to hunt down the culprit. An investigative journalist Annie Jacob of a popular magazine digs up the whole story, which becomes a sensation.
An offbeat advocate Ravi Varma takes up the case for reinvestigation. The DYSP of crime branch Thomas Erali investigates the crime with great zeal, and then the real truth is exposed. The advocate, police officer, and the journalist together start the fight for justice.