Billionaire Lin Xiao visits his late wife's grave on her death anniversary, only to be confronted by his long-abandoned daughter, Lin Miaomiao, who publicly condemns his sins. Overcome with regret, Lin Xiao suffers a fatal heart attack. When he awakens, he finds himself back in 1999. Determined to rewrite fate, he uses his past life’s knowledge to rescue his wife, Xia Shiyu, and prevent tragedies that once unfolded.