Synopsis：Shen Yinyin, the eldest daughter of the Shen family in Shangjing, was poisoned by her cousin Shen Anran. After becoming a fool, she was picked up by the old lady of the Qin family. The old lady Qin decided that Shen Yinyin would marry Qin Wangyan, the third master of the Qin family, under the pseudonym Qin Nianwan. After the death of the old lady Qin, Shen Yinyin was sent away by Qin Wangyan while pregnant with twins. Shen Yinyin, who had a car accident on the road, finally remembered her true identity. Five years later, Shen Yinyin returned to Shangjing with her son Shen Yihan. Shen Yinyin was rescued by her father when she gave birth to another child, and she had no idea that she had given birth to twins. When they met again, the two mistook each other's children for their own, and a series of ridiculous things happened.