在月光下，禁忌的乐趣如黑夜的花，悄然绽放，令人心醉。刺客有力的撞击着贵妃笔趣阁

　　Three young couples are renovating together a loft in Paris. During a barbecue, Patrick and Julie confess to their friends that they practice partner-swapping. That information shock 1 of the couple, but the other one seems to be interested..