After losing both their parents, eldest sister Zhou Shouyue is forced to sacrifice her marriage and freedom to keep her younger brother, Zhou Zhiyuan, and younger sister, Zhou Nian'an, alive. She makes a caregiving agreement with the Liang family, placing her siblings in separate foster homes while she stays behind to work tirelessly for the Liang family for eighteen years. Eighteen years later, her brother, now chairman of Zhiyuan Group, and her sister, now an electrical engineer, reunite with Zhou Shouyue. From initial misunderstandings and resentment to gradually uncovering the truth about the past, the family finally resolves its grievances and reunites. Zhou Shouyue also uses her own abilities to become the director of the Liucun Village cultural tourism project, building a peaceful and happy life with her daughter.