Sam Alex, a former police officer haunted by the tragic loss of his family, drowns his grief in alcohol until duty calls him back. When a string of eerily similar murders emerges, he’s forced to confront both the case and the ghosts of his past.

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.