Tang Wanning single-handedly and attentively raises her young daughter Lebao. During a hospital vaccination, the lively and active Lebao accidentally strays and bursts into the hospital room of Lu Chenyue, who is in a coma due to a car accident. Elder Lu sees the child, notices her facial features are very similar to Lu Chenyue's, and after a DNA comparison, confirms that Lebao is flesh and blood of the Lu family. After waking up, Lu Chenyue learns that he already has a daughter. Facing the Tang family coming to harass and make things difficult, Lu Chenyue steps forward to protect the mother and daughter. From then on, Lebao integrates into the Lu family big family, reaping the family's care and affection.