The story follows the Morels, including two teenagers and a 7-year-old kid who are driving their parents out of their minds. One morning, they all wake up inside each other's bodies.

在不远的将来，世界秩序发生了质的改变。充斥着数百万失业人员的法国变成了一个赤贫的国家，人们在反抗和妥协间寻求出路，合法使用兴奋剂不择手段的格斗比赛成为了人们情感宣泄的途径。