24 years ago, the newborn baby girl Li Shengnan was ruthlessly abandoned by her biological parents. At a critical moment, the scavenger old man Li Hongming disregarded his own personal safety to rescue her, and raised her up with all the hardships. 24 years later, having gone through struggles, Li Shengnan relied on her own efforts to achieve success in her career, returning full of gratitude, solely to properly repay her adoptive father's grace. However, her biological parents who learned of her current situation suddenly appeared, attempting to use media live-streaming to carry out moral kidnapping, seizing the opportunity to seek private gains. Facing the unreasonable entanglement, let's see how Li Shengnan firmly guards her bottom line and counterattacks with wisdom, firmly guarding this ordinary and great adoptive father.