Lipstick (1976)

Top model Chrissy "Chris" McCormick is a successful woman -working in the promotion of the brand Lipstick. She lives with her younger sister Kathy McCormick in a fancy apartment. While shooting photos on the beach, Kathy brings her music teacher Gordon Stuart to meet her sister, but Chris is busy. She schedules a meeting with Stuart for the next day in her apartment. When Chris arrives, she is in bath but receives him. When he shows his experimental music with weird sounds, Chris pays him little attention and goes to her room to take a phone call. Stuart flips out and rapes Chris, tying her up on her bed and having rough sex with her. Chris hires lawyer Carla Bondi and they go to court, but Stuart's lawyer manipulates the jury and wins the case. Chris tries to return to her life but has trouble until the day her sister Kathy meets Stuart in an empty mall.