After being reborn, Gu Ba seeks to make up for his mistakes in his previous life by finding his biological daughter Gu Xueyao who was carried by mistake, and activates the "Dad's System" to start the journey of protecting his daughter. Faced with the conspiracy and school bullying of his fake daughter Gu Baozhen, he fought back with thunderous means. At the same time, he worked hard to repair his relationship with Lin Wanqing, vowing to let his daughter live a perfect life and organize a grand wedding for Lin Wanqing. After witnessing the happy moments between his daughter and Lin Wanqing, Gu Ba completely made up for the regrets of his previous life and achieved his goal of "protecting his family and reshaping his life."