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.
作为吸血鬼的Mark从来不知道活着意义是什么，直到遇见了Tong，爱上他的同时却也渴望他体内的黄金之血。Tong体内黄金之血对Mark极有帮助，哪怕只是小小一滴，是保护挚爱，亦或是为了品尝他珍贵的黄金之血......
