Zhou Weiguo, a retired worker, sells his house and moves in with his only daughter, Zhou Xiaoyue. Unexpectedly, he discovers that his daughter and son-in-law are secretly plotting to seize his eight million yuan in retirement savings and send him to a nursing home. With the help of his grandson Lele and lawyer Lin Chen, Zhou Weiguo resolutely takes legal action to defend his rights, ultimately ensuring that his greedy daughter and son-in-law face the consequences of the law. After experiencing the destruction and rebuilding of family bonds, the family finally realizes that living honestly and cherishing family ties are the true foundations of life.