Ji-Heon (Choo Ja-Hyun) is a thirty something single woman who suddenly loses her job, apartment and boyfriend. She then moves in with her friend Kyeong-Lin (Han Su-Yeon) and her doctor husband Myeong-Won (Jeong Chan). Kyeong-Lin appears to be the perfect housewife and lives a life of luxury. Their lives become turbulent when Kyeong-Lin develops feelings for Myeong-Won's husband and Myeong-Won falls for her husband's colleague Dong-Joo (Kim Heung-Su).