The drama is adapted from Mu Suli's BL online novel of the same name. The story takes place in a reconstituted family. Because of their parents' remarriage, Sheng Wang (played by Liu Dongqin) and Jiang Tian (played by Zeng Xiangzhen), who are in adolescence, accidentally become "brothers". The two people with completely different personalities accidentally develop a deep relationship and become "someone" engraved in each other's hearts.