爱乱伴侣2建筑公司理事英俊（李东健）年轻有為，他和昭如（韩彩英）是一对令人羡慕的夫妇，但两人早就没有了任何激情。另一方面，结婚三年的柔娜（严正花）和民才（朴埇佑），曾经拥有的炙热感情已经渐渐流逝。直到某天晚上，貌合神离的两对夫妇、四个男女，火热地交织在一起，开始了危险的一夜情…

庆洙和郑民曾经是最幸福的夫妇在世界上。然而，她的丈夫叶一个漫长的出差区域面积后，郑某分钟单独离开了家。虽然她试图对付她寂寞的感情，她的儿子的导师闵赫开始与她的辛勤调情。虽然郑民知道她应该不会，她开始被吸引到民赫越来越多。同时，庆洙发现他的地方在区域区一所寄宿房子，开始变得吸引到板房子的主人，谁是一个单亲母亲带年幼的女儿。

女主由金珠饰演，女主是一家茶馆的老板娘，生意还算不错，但是茶馆里并不太平，一些顾客并不把茶馆的服务员放在眼里，甚至动手轻薄，而在这种环境下，老板娘自然也是时势造英雄，常常自己上阵，满足客户的要求，直到有一天，女主的继子的出现，打破了这一局面，而女主当初离开继子独自来到此地开店，竟然是因为心里的伦理观的崩塌....爱上了自己的继子？

　　Dong-hyeon and Yong-joon coincidentally meet at an acting audition. A strange gentleman appears in front of the both of them who are sick of failing at these auditions and suggests something to them. Meanwhile, Ayaka comes to Korea with her best friend Saori to meet her fiancé, Min-joon's parents. She runs into Dong-hyeon and Yong-joon who ask her to star in something and although she's not up for it, she's ushered into doing it by Shiori who loves handsome men. They move locations to a run-down facility and suddenly all exits are blocked and the four of them are trapped. Ayaka looks for an exit but instead finds cameras put up everywhere and gets the feeling that they are being watched. She suspects Yong-joon and Dong-hyeon of being behind this. Suddenly, young men overdosed with gas appear out of no where and try to rape Ayaka and Shiori. Dong-hyeon and Yong-joon fight them to save the women. All this is recorded live and sent to a crowd who is watching from a theater,enjoying it. Yong-joon and Shiori escape into another room but soon they are gassed and they suddenly want each other so bad. Then Shiori loses her mind and kills Yong-joon. Min-joon is watching this amongst the crowd at the theater. What happened between Ayaka and Min-joon...?