One quiet night, Wang Tianyang was going to buy fruit for Zeng Meihao, who had just given birth. On his way back, he spotted a cardboard box with a child inside. Seeing how pitiful the child looked, Wang Tianyang picked her up and discovered a flute and a golden safety lock in the box. Looking at the tiny body in his arms, even smaller than Dongdong, he decided to discuss keeping her with his beloved wife. Kind and beautiful Zeng Meihao also felt sorry for the child and agreed they should keep her. And so the story began...