After Lu Ming, the world's richest man, suddenly passed away due to a severe illness, he was unexpectedly reborn as Gu Chengcheng, the 8-year-old son of his first love, Gu Xitang. Relying on the capital, connections, and business acumen from his past life, he helped Gu Xitang resolve crises such as the debt collection pressure from her ex-husband Wang Shenghai and the hostile takeover of Gu Group. He also punished villains like Chen Jinghuai, gradually revealed his true identity in the process, made up for the regrets of his past life, and finally guarded Gu Xitang as she returned to the pinnacle of her career.