Bomi is a friendly broadcasting writer. She has a boyfriend named Jeong-nam who just graduated from law school, but they're not on very good terms right now. Their sex isn't fun either. Then one day, Bomi's friend suggests she joins the adult version of "Pairs" and starts having affairs with different people. Man 1,2 and 3 and woman 1,2 and 3 check each other out but jealousy gets the best of them and they step over the line.
有 一天,在首尔大学生活的女儿恩智和朋友作家世英在假期来元气的民宿住,女儿的朋友太像元气死去的妻子的样子,不由得逐渐吸引.... 而恩智也与世英女朋友其实也有一腿,,最终会发生什么。。。。