Eating Raoul (1982)

Eating Raoul is a dark comedy that follows a husband and wife who, after getting fed up with their degenerate neighbors, embark on a cannibalistic venture to make money. As they lure unsuspecting swingers to their apartment, they kill and rob them. However, their plans are complicated when they meet Raoul, a locksmith, who becomes entangled in their web of murder and lust.