Tình Dục, Dối Trá Và Băng Videosex, lies, and videotape (1989)

Ann, a frustrated wife, enters into counseling due to a troubled marriage. Unbeknownst to her, her husband John has begun an affair with her sister. When John’s best friend Graham arrives, his penchant for interviewing women about their sex lives forever changes John and Ann’s rocky marriage.