The Inconfessable Orgies of Emmanuelle (1982)

Emmanuelle is recently reunited with her husband, but at the next party, she gets drunk and strips nude for his friends. He returns to his lover. Later, a sober Emmanuelle tries to redeem herself, but her husband refuses to forgive. She travels to see him, gets raped on the way by two delinquents, and enters a life of vicious sex to forget him.