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.
Susan George / Ambika Unnithan
Anitha
Sudhi, S.I
SI Iqbal
CI Josemon
Aparna
Anwar
Babu Raj
Sam
Josemon's wife
Dr. George
Minister Abdul Samad
C.B.I. Director
Mamman Varghese
Gopan
Bhasuran
Muthukkoya
Sam
Merlin
Aparajitha
Anil Thomas
Doctor
Arundhathi
Police Constable
Jinto
Abdul Samad's wife
Muthukkoya's sister
Dr. Venu's wife
Dr. Venu
