After being awarded the highest accolade of his profession, Chief Inspector Harun celebrates with his co-workers. Assured that he will be promoted after the award, Harun is assaulted by the driver of the taxi he takes home, and ends up committing a murder. The next morning, the police begin to investigate the murder, and Harun finds himself seeking the perpetrator of the murder he committed. As he tries to cope with the stress of being both the runner and the seeker, every clue he finds draws him deeper into a complex chain of events.

With its exciting story, Kin invites audiences to question the notions of crime, criminal and innocence.