八个朋友，都在稳定的关系中，冒险进入一场性发现的游戏，通过交换夫妇，同时试图从日常生活中解放自己，为他们的爱情生活增添情趣。

　　Eight friends, all in a stable relationship, decide to venture into a game of sexual discovery by exchanging couples while trying to free themselves