Zhang Wenxuan, chairman of the Zhang Group, was attacked and lost his memory fifteen years ago. He became a simple-minded vagrant and was rescued by his adopted daughter Wang Yueyue. Fifteen years later, his biological daughter Zhang Yueying won an award with her painting *Father*. Zhang Wenxuan reunites with his daughter thanks to a safety pendant, only to be humiliated repeatedly. After regaining his memory, he returns to the Zhang family with the help of loyal followers. He exposes his younger sister Zhang Meilan as the mastermind behind the attack. In the end, all misunderstandings with his family are cleared up. He recognizes Wang Yueyue as his adopted daughter, and the family reunites after all hardships.
