A Woman in the Night [Une femme dans la nuit]

A theater troupe is touring Manon Lescaut, starring Denise, whose husband is a sick alcoholic. Tired of his violent outbursts, and wanting to rebuild her life, she runs away and finds refuge with a doctor who hires her as a nurse in his clinic. However, another jealous nurse commissions a detective to investigate, and ends up uncovering Denise's past.