Two-faced (1973)

Karima lives a happy and stable life with her husband, Qadri, but during the lunar days her personality changes and she turns into a Bedouin personality because of a man's attempt to rape her on a moonlit night when she was young and she was wearing Bedouin acting clothes, so she goes to where the Bedouins live in the Haram Desert. She falls in love with Wael, who loves her back and marries her. Qadri becomes suspicious of his wife's behavior.