Midnight Intruders (1973)

A grind-house thriller offering sex adultery violence brutality and deaths. When Alices's (Francoise Darc) husband Allan (Alain Mayniel) flies to San Diego for a business meeting Alice quickly invites her illicit lover Sam (Alex Chapuis) over to her LA home for a sexual tryst. With his business meeting cut short Allan decides to fly back home earlier than scheduled. His sudden return sees him catching his wife and her illicit lover having sex in the shower. Violent outbursts ensue resulting in the death of Allan while Sam is knocked into a coma. Things get worse when a couple of hippies calling themselves Catman and Catwoman and brandishing firearms break into Alices home.