Kanıt
Each episode, police inspectors Orhan and Selim try and solve puzzling cases with the help and guidance of forensics. Professor Sevil Atasoy, a forensic scientist, also joins us sometimes to tell relevant anecdotes.

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.