雷蒙德是个很有前途的医学院学生,他正准备利用暑假开始他的实习。但是,他妈妈苏珊摔断了腿,行动不便,而做推销员的父亲又终日到处奔波,于是让雷蒙德呆在家照顾这个漂亮而忧郁的妈妈。妈妈的身体状况使母子俩难免在肉体上有所接触,这样一来雷蒙德感到相当困扰不适。之后他结识了高中女生托尼,但他对自己的性冲动愈来愈困惑,尤其是从他失去了假期实习的机会,不得不留在家与母亲独处的时候开始……Raymond Aibelli is a promising medical student ready to begin a prestigious summer internship. But Susan, his mother, is immobilized by a broken leg, and his father Tom, a travelling salesman, makes Raymond stay home and take care of his mother, an attractive though unhappy woman. His mother's condition leads them to a degree of immediate physical contact which Raymond finds disturbing. He soon meets Toni, a high school girl, but his sexual impulses are increasingly confused, especially since he is still upset over losing the internship.