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.
Sethurama Iyer
Chacko
Vikram
DySP Sathyadas
Balagopal
Paul Meyjo / Mansoor / Sandeep
Chief Minister
Adv. Prathibha Sathyadas
I.G. Unnithan
Vinay, C.I., C.B.I.