水木年华成员

天下第一城城主欧阳谦有私生子柳迟﹝周润发饰﹞，柳迟出生之日，天现流星，传是魔星降世。谦深信此星对己不利，下令杀尽当日出生之婴儿，而柳迟则被远送关外。柳迟长大后，武功高强，好打不平。他入关闯荡江湖，偷入幽明山庄查探江湖上“死士之谜”时，邂逅山庄唐氏家族的独生女唐蕾﹝欧阳佩珊饰﹞。唐蕾性情激烈，敢爱敢恨，对柳迟一见钟情，终以深情感动之 ，二人结为夫妇，携手闯出山庄。唐蕾不幸受伤，得枫叶楼楼主蝶衣姑娘﹝庄静宜饰﹞所救。蝶衣对柳迟亦痴心一片，无奈柳迟已娶妻，只得将感情长埋心底。谦之养子梦非谋夺武林盟主宝座，陷害柳好友胡不肖，谦幼女紫君﹝雪梨饰﹞急往找柳迟相助。究竟柳迟能否阻止梦非的阴谋？。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.。