I Am Not Him (2013)

Nihat, an introverted employee in a hospital cafeteria, is confused by Ayse, a mysterious woman who just started working there as a dishwasher. Reluctantly, Nihat accepts Ayse's invitation to dinner at her house. This is the beginning of a strange and dangerous liaison. When Nihat discovers a picture of the woman's imprisoned husband and realizes that he looks almost exactly like him, the relation becomes even more toxic.