Desc: Kilit: Directed by Adil Oguz Valizade. With Mert Firat, Melisa Pamuk, Timur Acar, Asuman Dabak. In a highly secured prison, 10 prisoners are found dead mysteriously. Erol and Selin are tasked with investigating the murders. The cause of death is the same for all: heart attack. But the truth is utterly different from that.