本片是一部美国片，上映于2021-10-04，由导演，由Ye Ri/闵度允/Lim Ji·yeong主演。
剧情简介：A sexless couple Eun-sook and Won-gil. Newlyweds Jong-beom and Na-jeong graduated from physical education. Jong-beom happens to be Eun-sook's personal health trainer and sex partner while working as a courier. Jong-beom introduces her wife Na-jeong as Won-gil's personal health trainer, and Won-gil receives sexual stimulation through Na-jeong. The two couples, who have been sleeping for a while, are boiling over and plan to have sex with each other...
外文名：스와핑 : 여자 헬스 트레이너
地区：美国
演员：Ye Ri / 闵度允 / Lim Ji·yeong
