Russ Meyer's Lorna (1964)

Lorna has been married to Jim for a year, but still hasn't been satisfied sexually. While Jim is working at the salt mine, she is raped by an escaped convict, but falls in lust with him. Meanwhile Jim's buddies are giving him a hard time about Lorna's supposed infidelity, not realizing how close to the mark they really are. Trouble starts when Jim gets home early from work because it's their anniversary.