Lu Yuan, the true young master of the Lu family who has been missing for twenty years, returns to the family. He appears simple, gentle, and capable, living a low-profile life. At the family banquet, the adoptive son Lu Ziqian, who has always been deeply favored, feigns modesty while secretly plotting to take control of the Lu family. Lu Yuan's return disrupts his plans. To seize the family business, Lu Ziqian constantly stirs up trouble and schemes to alienate family members. Faced with his sisters' misunderstandings and others' prejudices, Lu Yuan consistently protects his family and calmly resolves crisis after crisis. In the end, Lu Yuan exposes all of Lu Ziqian's plots, and the bad guy receives his deserved punishment. The brothers and sisters resolve their estrangement and rekindle their family affection.