666: Cin Musallatı (2017)

Gürkan, who makes a living writing and selling horror and suspense stories, begins to investigate the events described in an unusual news story that caught his attention on social media. Thinking he might find a good story, Gürkan travels from Istanbul to Fethiye-Kayaköy. Nihale, one of the two surviving sisters from the household, allows Gürkan to stay at the house after he introduces himself as a psychologist and convinces them that he has come to help. Gürkan begins investigating the events that have taken place. Before long, he finds himself unwittingly drawn into the extraordinary events unfolding around him and finds himself fighting for survival...