It tells the story of Cheng Xiaoman, a recycling girl, reuniting with her father Cheng Yuanchuan and growing together. An encounter on the road makes the plum blossom birthmark on her shoulder the starting point of the father and daughter's reunion. In getting along and verifying, Cheng Yuanchuan uses sincere heart to protect family affection, and Xiaoman also finds her own home. After the reunion, she still loves labor, appreciates the care of her adoptive father and Aunt Zhao, and begins to learn new knowledge from the familiar recycling work. The father and daughter welcome a warm life in understanding and companionship, showing the precious qualities of diligence, self-reliance, and gratitude.