The Other Me

Das andere Ich (The Other Me) is a 1941 German romantic comedy film about a young woman, Magdalena, who takes on two jobs at the same company, one day and one night shift, and invents a twin sister to cover for the dual role. The engineer she works for falls in love with her "Lena" persona while disliking Magdalena, leading to a complicated situation where she must maintain the facade as company security investigates fraud and possible espionage.