Elena, a wealthy real estate heiress, and Kian, a top financial tycoon, have been bitter rivals since youth. At a luxury charity gala, five-year-old Leo suddenly calls them Mommy and Daddy. A DNA test proves they are his biological parents, and Leo reveals he traveled back from five years later to fix their broken marriage caused by misunderstandings. Forced to cohabit and raise the boy together, they grow fond of each other with Leo’s clever help. They fight against Elena’s fake fiancé Ethan and jealous socialite Mia, who spread slander and launch financial attacks to ruin them. After uncovering the truth behind their long-time feud and defeating all villains, Kian proposes to Elena. They hold a grand beach wedding, rewrite the tragic future timeline, and live happily as a complete family.
