Scandal: On the Other Side (1999)
An actress has a kissing scene with her co-actor in front of her director husband. She then screws her co-actor inside her trailer after the shoot.
Actors: Brandy Davis
Sensual Friends (2001)
Three young, attractive, prosperous married couples who are old friends spend a weekend together in a posh Santa Barbara-style house. One of the wives cheats with one of the husbands.
Private Lies (2000)
A married woman starts an affair with a mysterious man (prior to that, she also has an affair with her husband’s friend and business partner), but when her husband is murdered, she becomes the prime suspect and the victim of a blackmailing plot.