两对夫妇发现他们的孩子在出生时就被调包,由此面临道德困境:是继续养育没有血缘的爱子,还是找回他们的亲生孩子?。林晓的母亲刘翠霞被出轨的父亲林震东和小三陈芸逼得“上吊自杀”。林晓悲痛返乡,却发现哥哥林阳性情大变:不仅当天火化了母亲(违反“死于非命停棺三日”的民俗),还用塑料袋装骨灰,甚至帮父亲和小三说话,污蔑母亲不忠。。The drama depicts Kim Min Jae, a transfer student majoring in Practical Music and working part-time at the library, and Lee Kyu Ho, a Taekwondo major who helped him. Since their first meeting, the two have become entangled and closer, leading them to develop a romantic relationship.。