Gamanam is a 1994 Indian Malayalam film, directed by Sree prakash, starring Thilakan and Lakshmi in the lead roles.
Thilakan won the Kerala State Award for Best Actor in 1994 for his role of a helpless father.
However his wife Bhanumathi and son Surendran were not ready to accept this verdict and believe that Cheriyan was the real murderer.
Cheriyan who is a constable in the police station where Surendran takes charge as SI.
One day when Bhanumathi was out for consulting her gynecologist, her sister was raped and killed by someone and circumstances led to Cheriyan being suspected.