简介：
Eight friends, all in stable relationships, venture into a game of sexual discovery by exchanging couples while trying to free themselves from their daily routines and add a spice to their love lives儿子：“爸爸，为什么我叫‘小明’？”爸爸：“因为你出生的时候，我们希望你做一个明白人。”儿子：“那为什么我这么笨？”爸爸：“……我们也没想到。”