Diabolique [Les diaboliques]
Directed By: Henri-Georges Clouzot
The wife and mistress of a loathed school principal hatch a plan to murder him while having the perfect alibi. They carry out the plan…but then his body disappears.
IMDB Movie Page: http://www.imdb.com/title/tt0046911
The trailer below is provided for reference and connects to a non-BYU site. International Cinema is not responsible for the content.