Gu Minghui went missing as a child. After twenty years away, he returns to his hometown a successful businessman to invest in a resort, where villagers can receive dividends from original shares. To test his family's affection, he disguises himself as a down-on-his-luck laborer and returns to reunite with them. His younger sister, Zhang Xiuxiu, grows suspicious and makes things difficult for him at every turn, but his parents continue to cherish and protect the son they lost. Deeply moved by their unconditional love, Gu Minghui secretly makes plans, sees through human nature, helps his timid younger brother, and begins investigating the events of the past. Working with the relevant authorities, he uncovers the truth, protects his family, and finally fulfills the family bond that was delayed for twenty years.