Istanbul cirminal underworld; a place of merciless families and swaggering hitmen afraid of no one. Kadir Korkut, nicknamed the "Demon" is the most fearsome of their kind. When he wants to retire for the love of a blind German pianist, it starts a chain of events which will paint the night red. His boss and foster father, Kara Cemal betrays and coerces Kadir by poisoning him to perform two final hits on the two largest rival families in order to receive the antidote. Outgunned, outmanned and facing impossible odds he has to team up with an outed undercover police mole Cem, and somehow survive his final night of revenge and redemption.

一个由四人组成的团队从总部派往维修一个通讯站，突然在一座山的山峰上遭遇了恐怖袭击。两个被征召的土耳其士兵，一个受过教育，富有的年轻人，另一个粗鲁的街头聪明的恶棍，不得不抛开他们的分歧，学会相互信任，以度过一个无情的局面。