Series of bucket-killing murders happening in the city. Failure to resolve by police, a team of CBI Officers under CBI officer Sethurama Iyer take up the investigation to resolve the never experienced mystery.
Jagathy Sreekumar , Mammootty , Mukesh , Saikumar , Krishna , Renji Panicker , Santhosh Keezhattoor , Anoop Menon , Dileesh Pothan , Prasanth Alexander , Prathap Pothan , 28 more , Soubin Shahir , Idavela Babu , Jayakrishnan , Ramesh Pisharody , Azees Nedumangad , Kaniha , Kottayam Ramesh , Swasika , Lukman Avaran , Sminu Sijo , Asha Sarath , Malavika Nair , Sudev Nair , Raviku
