Single mother An Xiuyan is a woman with a bumpy life and teased by fate! Originally, she lived a simple and honest life in Jiangbei, but her life was changed due to a sudden car accident of her husband. Young An Xiuyan began to take on the responsibility of raising two children. Her daughter Lanran is rebellious and reclusive, her son Doudou is terminally ill and urgently needs money. When Xiuyan is at a loss for life, she is involved in the emotional life of rich, prestigious, handsome and debonair Songping Qin because of a woman's joke... For her daughter's education, for her son's treatment, Xiuyan agrees with Songping Qin's "contract marriage" condition! However, the "marriage" life like a nanny is not as simple as she imagined.