Rural college student Xu Xia drops out after an accidental one-night stand leaves her pregnant. Five years later, she works in an electronics factory raising her cute son An’an. She chances upon Zhou Yanjing, a top-tier elite from the capital. The clever boy strikes a deal to pretend to be his son, unexpectedly uncovering his true parentage. Through misunderstandings, schemes and identity reversals, the family finally reunites. Xu Xia also finds her birth parents and gains a perfect happy ending.