本纳特和巴不拉夫妇双双决定离婚，因为本纳特对巴不拉不再感兴趣，当他们去办理离婚手续的时候，却意外被告知，本纳特的纽约叔叔给他一笔遗产，数目达到四百多万法郎，得到这笔遗产的前提是：他们必须找到叔叔的儿子吉恩皮尔，最后他们来到巴黎，可万万没有想到，他们置身于一群性自由主义者当中，这里他们经历的是常人无法想象的事，而他们要找的吉恩皮尔更是令他们难以相信...

In order to receive their part of an inheritance, Barbara and Bernard must find the other beneficiary, Jean-Pierre. As they search for him, they arrive at Boulogne, which they will find is used by rich people as a place to be sexually free in total privacy. There, they will be led by other couples to fulfill their most daring fantasies.