Istanbul crimson nights

Multiethnic megapolis Istanbul witnesses a wave of gory and horrifying murders. They say, there is a serial killer appeared in the city. The maniac known for his eerie calling card: once a month badly mutilated bodies are found strung up near the mosques. Who is he? What is his motive? Why he chooses only male victims? The violent criminal leaves no traces. Is there a way to find him? Hot-tempered Turkish criminal investigator Kerem Kahraman is faced with a challenge to search for the killer. He is assigned an assistant, a new forensic psychologist from Bulgaria, Sofia Vladova, whose help he does not need at all. The city is not ready for such cruel murders that paint its sleepless nights in crimson colours.