Kambilikkandam Jose (Subair), a drug baron reaches all the way down to Kochi to fulfill Pattakkalil Purushothaman Pillai (Vijayaraghavan), demanding an enormous hike in his fee. Popularly referred to as Appichai, Purushothaman Pillai is without doubt one of the largest drug seller in south India, together with Sethumadhavan (Sai Kumar), his foster son. Appichai calls again Sethu, who's on a trip in a cruise ship in Goa. Sethu, on his arrival again in Kochi kills Jose, with the assistance of Balagopal (Ramu), the IG of Police. However the demise of Jose creates a robust protest contained in the state and the Chief Minister (Janardhanan) orders an in depth investigation on the matter. Narendran (Mammootty), the Assistant Commissioner of police, is assigned the cost of investigation. Popularly referred to as Nari (tiger), for his aggressive and belligerent model of conduct, Narendran, begins his probe
