Shen Tangli, a commoner, accidentally learns that her husband Qin Shiyan is the crown prince who is about to ascend the throne. Fearing she might hold him back, she takes their child and leaves. Years later, Qin Shiyan, believing his wife and child have long been dead, never expects to find his grown-up son Xiao Man begging for a living with Shen Tangli. The father and son meet but fail to recognize each other; moreover, a series of misunderstandings plunge the mother and son’s lives into hardship. It is not until a chance opportunity that Qin Shiyan finally recognizes his wife and child.
