故事设定在近未来，由于人口过剩和饥荒，政府不得不实行“独生子女”政策。正因为这个严格的计划生育议程，姐妹们必须轮流使用一个人的身份Karen Settman(拉佩斯饰)。她们的祖父(达福饰)给其命名为周一、周二、周三、周四、周五、周六和周日。每个人都可以每周外出一次。姐妹们只有在自己的公寓里才可以自在生活。直到有一天，“星期一”没回家......

The plot follows two main storylines one centres on the emerging love story between two awkward teens, Jens and Lisa, who are having sex for the first time; the second focuses on the eventful quest of Simon the Semen and his friends to reach the golden goal, the Egg.