Family ties should never be broken, but Yiyi is still worried about the fact that her parents fostered him in other people's homes when they were young. Because he had always been decadent and refused to listen to his family's persuasion, he ended up on the road of no return. He first ruined himself, and then was forced to end his life when he had no way out. Because his soul could not rest in peace, he became a fierce ghost, and his target was his sister Xiaoxiao. He believes that he did not get the childhood he deserved because of his sister's existence. A revenge between relatives begins...