That was perhaps the most trying and most difficult one we ever faced.

Description: A series of murders is happening in the city. With the police failing to solve the case, a team of CBI Officers under CBI officer Sethurama Iyer take up the investigation to resolve the mystery.

Cast:
Sethurama Iyer: Mammootty
Vikram: Jagathy Sreekumar
Chacko - CBI DySP: Mukesh
IGP K.C. Unnithan: Anoop Menon
Balagopal - CBI DySP: Renji Panicker
DySP Sathyadas: Saikumar
Paul Meyjo: Soubin Shahir
Adv. Prathibha Sathyadas: Asha Sharath
Sub-inspector Iqbal Hussain: Sudev Nair
Abdul Samad - Home Minister: G. Suresh Kumar
Anwar - Samad's PA: Kottayam Ramesh
Vinay Menon - CBI Inspector: Ramesh Pisharody
Anitha Varma - CBI Sub-inspector: Ansiba
Sudhi Nair - CBI Sub-inspector: Alexander Prasanth
Sam: Harish Raj
Merlyn: Swasika Vijay
Chief Minister: Dileesh Pothan
Dr. Susan George: Kaniha
Dr. George Abraham: Prathap Pothen
Mammen Varghese: Idavela Babu
Bhasuran: Chandhunadh
Sub-inspector Josemon: Jayakrishnan
Dr. Venu: Pradeep Nair
Anil Thomas - Dr. Venu's Driver: Arjun Nandakumar
Head Constable Boban: Azees Nedumangad
Dr. Venu's Wife: Sindhu Varma
Josemon's Wife: Malvika Nair
Samad's Wife: Maya Vishwanath
DySP Baburaj: Santhosh Keezhattoor
Aparna - Trainee IPS: Malavika Menon
Nakul Sharma - CBI Director: Ravikumar
Muthukkoya's Sister: Sminu Sijo
Bhasuran's Friend: Pradeep Joseph
Sethurama's Driver: Kalabhavan Jinto
Vikram's Son: Rajkumar Sreekumar
Anuja: Malavika Nair Ammu
Mother: Ranjini George
Junior Advocate of Adv. Pratibha Sathyadas: Remya George
Journalist: Prasad Kannan
Doctor at roof top: Sudeep Sebastian
Kaniha: Angel Shijoy

Written by: S.N. Swamy

Director: K. Madhu

Release date: 01 May 2022