When the police find a journalist's body, who is a fellow officer's wife, Mamun becomes the prime suspect in the murder.
Police discover Mamun's ID card on Shakib's corpse. Sensing the danger, Mamun escapes from the police custody.
Mamun gathers evidence and gets help from Officer Milon in discovering the link between the case file and Atik.
Mamun and Rahi team up to follow a lead involving Atik. When the police hunt Mamun, he tricks Rahi and escapes again.
Milon shows a mysterious photo to Mamun. When they search for further evidence at a library, Robin catches them.
Rahi and Mamun find Sophia, who provides insights into the murders. But, things take a turn when Rahi betrays Mamun.
Mamun blackmails Coramin with Zunayet's murder video. As a counter-move, Coramin takes Mamun's sister hostage.
After confronting Robin about his connection to the Hukumat gang, Mamun lures Coramin and the gang to reveal the truth.