An accident led Emma's father to save Ethan's father, binding their families together with a promise. Years later, pressured by Emma's father and to fulfill his late father's wish, Ethan and Emma, who had just met for ten minutes, swiftly got married. Ethan then went abroad with a promise to return, divorce Emma, and compensate her.
Two years later, when Emma went to interview for an executive assistant position, she met Ethan without either recognizing the other. Later, to avoid Emma's father, Ethan coincidentally moved into Emma's rental house and the two then began living together. As they spent more time together, their relationship gradually warmed up...
