One of the twins was trafficked to Japan shortly after he was born. On his return trip, he met his twin brother by chance through a netizen. Just when they were about to meet their parents, their younger brother was found dead in an accident. In order not to make his parents sad, he pretended to be his younger brother and returned to his parents' hometown. However, he discovered a secret that broke his heart and some kind of plan he had started. . . . .