A psychologist with a keen interest in criminology gets entangled in a tough serial killer case which the police find hard to crack.
Harikrishnan is a geeky software professional who suffers from an obsessive compulsive disorder. A harthal day sees him travelling to Trivandrum for a conference, and in the midst of the night, he ends up at Paravur railway station with two strangers - Gopalan a veteran politician and Narayani a social worker - for company.
John and his family relocate to a far away island village with hopes of rebuilding their lives. But destiny has other plans for them as a series of horrifying events begin to unfold.
