Gu Nian's mother died trying to keep Gu Nian alive. His devoted father could not accept this fact and sent Gu Nian to the orphanage in anger. He had not seen her for 12 years. However, Gu's father's health was deteriorating. For the sake of the family business, he found Gu Nian. In this way, Gu Nian left the kindergarten where he had lived for 12 years, and also left the fat girl who was always protected by him...