Song Yuan lived in the Song family for eighteen years as a fake young master. He was abused and cold-shouldered by his adoptive father Song Anmin because he was second in exams all year round. He was also treated coldly by his adoptive father Song Anmin, his adoptive mother Cui Wan, and his sister deliberately targeted him. After the return of the Song family's biological son Song Xingyu, Song Yuan was completely ostracized and was even pushed by Cui Wan to fend off the gangsters. In desperation, Song Yuan discovered that he was a twin of the Mu family when searching for relatives. He recognized his biological parents, his sister Mu Fanxing, his second brother Mu Chengyan, and his twin sister Mu Xingyue. Facing the Song family, Song Yuan no longer held back, and counterattacked with his talent as a top student. Under the protection of the Mu family, he transformed from a forbearing young man into a strong man who dared to fight back. A counterattack story about identity, family love and growth unfolded.