
Businessman Demirkan Yüksel is murdered in his office just before a major tender, and the company's general coordinator has vanished. The investigation focuses on corporate espionage and a broken fingernail found at the scene belonging to the missing coordinator.
Reeling from Ayça's death in the ambush, the team faces an internal crisis. Selim is suspended, accused of murdering one of the captured suspects. Orhan must now investigate his own partner to determine if Selim, blinded by grief, executed an unarmed man for revenge.
The team investigates the hit-and-run death of Emine Çokuysal. The case, which first appears to be an accident, grows complicated when they discover the victim was involved with criminal gangs and that her sister, Funda, is also missing.