Lu Chenzhou, an engineer working overseas, returns home full of hope, only to discover that great changes have taken place in his family. His adopted younger sister Lu Nianwei has been telling lies, squandering the family's money to reward live streamers, leaving his elderly parents and young niece struggling to get by, collecting trash for a living. After learning the truth, Lu Chenzhou does not sink into despair. He gathers evidence and takes up legal weapons to safeguard his rights. Through all hardships, the lies are exposed, and those who have done wrong are punished. He tends to his parents' health with care and raises his daughter with devotion. The whole family steps out of the shadow of suffering, learns to communicate with honesty, and welcomes a down-to-earth and warm new life.