Chen Jianguo and his wife have lived frugally all their lives, using their savings to pay the mortgage for their adopted daughter, Chen Lu, and her husband, Zhao Zhiyuan. When the couple falls ill, however, their daughter and son-in-law present them with an itemized bill for family affection, charging them for bringing water, administering medicine, and even visiting them. Heartbroken, Chen Jianguo stops paying their mortgage, while his niece, Xu Jianing, cares for them sincerely. His son-in-law resorts to threats and schemes to seize the demolition compensation money, but his usurious loans and infidelity are eventually exposed, landing him in prison. Chen Lu comes to her senses and divorces him. Father and daughter reconcile, Xu Jianing succeeds in her elderly care business, and the family reunites.