Sweet Poison (1991)
A convict kidnaps a wife and a husband. The wife develops an attraction towards him and has sex with him in the hotel room, right in the presence of her tied up husband.
Actors: Patricia Healy
Ultraviolet (1992)
Kirsten lures her kidnapper (who has already shot her bf earlier) to come into the water and screw her so that she can stab him with a hidden knife. But she drops the knife, so she just ends up getting screwed not-so-consensually.
China Moon
Detective Kyle Bodine falls for Rachel Munro who is trapped in a violent marriage. After shooting her husband, Kyle relucantly agrees to help hide the body, but Kyle’s partner is showing an unusual flair for finding clues.