马丁是一个来自纽约的年轻的艺术家。有一天，他被一对来自洛杉矶的嬉皮士兼自由主义者的夫妻邀请到家中小住一周。他的到来打破了这个家庭一直以来小心翼翼维系的和谐气氛，并且在爱情和性取向等问题上引发了轩然大波。

Contemporary Moscow. While riding her bicycle one day, Alyona, a shy librarian, accidentally collides with Liza, a dazzling blonde. When she wakes up in the hospital, she discovers that she and Liza have exchanged bodies.