yle=list-style-type: n>八个同伙，都在不乱的关系中，冒险进进一场性发明的游戏，通过互换佳耦，同时试图从日常生存中解放本人，为他们的恋爱生存增加情味。</ul>

Eight friends, all in a stable relationship, decide to venture into a game of sexual discovery by exchanging couples while trying to free themselves from their daily routine and add a spicy touch to their love life.