Diabolique (1955)

DVD  •  Never watched
NR Drama, Horror, Thriller  •  1h 57m  •  95% (Rotten Tomatoes)  •  8.1/10 (IMDb)  •  7/10 (Nick)
See it, be amazed at it, but... BE QUIET ABOUT IT!

Overview

The wife and mistress of a loathed school principal plan to murder him with what they believe is the perfect alibi.