This month's theme is Film Noir! Today's movie is Gaslight (PG; runtime: 1h, 54m) starring Charles Boyer, Ingrid Bergman, and Joseph Cotten. Ten years after her aunt was murdered in their London home, a woman returns from Italy in the 1880s to resume residence with her new husband. His obsessive interest in the home rises from a secret that may require driving his wife insane.

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(Summary provided by www.imdb.com; license by Swank Movie Licensing)