The Raven: Deep Darkness

Mehmet, a former Chief of Homicide Desk who went into seclusion after a mental breakdown, is called back to work as a consultant for unsolved cases.

The symbol found at the crime scene is revealed to belong to an ancient language. Interestingly, a photograph of Mehmet's childhood, delivered to him by unknown sender shows a similar symbol.

Following instructions from Ankara, Rana and Mehmet dedicate hours to close the files. Meanwhile, the killer kidnaps his next victim, leaving his signature symbol at the murder scene.

Mehmet and Rana take the letter sent to Selim's father to Oray for him examine it. Ünal, who suspects that Mehmet is hiding something, has him secretly followed and goes to Ankara to report the situation.

Yiğit, who got under a growing cloud of suspicion, vanishes. Tracing the unknowns of his past, Mehmet remembers traumatic incidents he has chosen to forget. Can Aydın, presumed deceased, be alive after all?

Cevdet has his men secretly install a camera in Mehmet's house. Following her release, Rezzan disappears without a trace.

Having infiltrated the hotel disguised as a maid, Rana copies the hotel records. Mehmet examines these records and comes across Cevdet's name.

Cevdet confronts Mehmet about his wife and daughter. Yalçın, who was unable to kill Rana by setting a trap, sneaks into the hospital to finish the job.

Yalçın, who is lured into a trap, sacrifices himself to protect his cult. Mehmet raids Oray's house and copies his computer files.

A power struggle breaks out between Oray and Rezzan. While Savaş rushes to pin all the murders on Yalçın to close the files, Cevdet, Ünal and Mehmet hunt for evidence to find the real culprits.