As a young boy, Chen An's family suffered a sudden tragedy. Honest and upright, he met the kind-hearted couple Su Dahai and his wife. To give his frail younger sister a better growth environment, Chen An entrusted her to the Su family's care and set out alone to make his own way. More than twenty years later, the younger sister, renamed Su Nianjia, is already a corporate group president, and for many years she has consistently insisted on searching for her older brother. Chen An, who changed his name to Zhao Nian_an, raises his daughter Duo Duo alone and runs a fast-food restaurant in a small town. Relying on childhood tokens to verify the truth through various channels, the siblings completed their family bloodline verification and finally reunited. From then on, the two of them managed their careers with one heart, accompanied and cared for each other among family members, and spent a warm and wonderful life together.