Yoon-jeong and Hyeon-goo are about to get married. The two live with Hyeon-goo's father, Seok-jin, until they find a house for their newlyweds. While Seok-jin is having a good time with her girlfriend Joo-ra and living her daily life, seeing Yoon-jeong gives him a different feeling, and Joo-ra and Hyeon-goo are having an affair without Seok-jin and Yoon-jeong secretly. Then one day... while drinking, Seok-jin hears about Yoon-jeong's family situation, and he tells her that he can help.

因为素熙想要去朋友家玩，贤九打电话叫了一家清洁公司来打扫房子。然而，这家清洁公司实际上是一个伪装成清洁公司的危险组织，这家公司的米娜让贤九被迫接受了她的提议。与此同时，素熙接近贤九其实是为了钱，被抓住偷窃后的她被带到贤九的家里，贤九和米娜提出如果不想去警察局就得乖乖听话，素熙该何去何从呢……