Major Subhendu Mukherjee sets out to seek revenge after being deemed a traitor. Thirty years later, IB officer Ritwik accuses waste-recycling baron Naman Arya of money laundering.

Subhendu's covert army operation goes horribly wrong. Ritwik manages to get his hands on hard evidence and the powerful Naman Arya.

With Subhendu surviving a brutal attack, Balwant visits his family. Naman's interrogation begins. When Sitara and Danish find the informer, Ritwik learns a shocking truth.

With a new identity, Subhendu pursues the men who made his life a living hell. Ritwik learns more about Adinath Bagchi and his family.

Balwant journeys from being a law-abiding army officer to a paranoid and ruthless power seeker. Ritwik struggles to hold on to the investigation amidst power shifts and betrayals.