While working the night at an ATM, a security guard, who is the prime witness in the case against a powerful industrialist, happens across a mysterious man named Eesho. They engage in a conversation and the guard pours his heart out to the stranger before realising that Eesho may not be a friend. Who is Eesho and what does he want?

Circle Inspector of Police, Peter Kurishinkal is a stoic and taciturn officer, who prefers brain over brawn to solve his cases. His world is brought upside down when he is assigned a sensational case of homicide.