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