Враг за дверью (1971)

A brilliant neurosurgeon brings an amnesiac woman into his home, seeing a chance to exact revenge on his wife for past betrayals. He begins to subtly manipulate her memories, crafting a new past where she was unfaithful. As the doctor becomes increasingly obsessed with reshaping his wife's identity, the film explores themes of trust, revenge, and the dangerous consequences of trying to control another person's mind. The story examines how far one man will go to seek retribution, blurring the lines of morality and justice.