Aylin, heir to the Walton family, lives incognito but is betrayed by her fiancé David and fake heiress Phyllis. By chance, she strikes a fake marriage deal with Edward, heir to the Ashbourne Group disguised as a janitor, to confront family forced marriages and business conspiracies. As they team up to expose Phyllis, David, and power struggles within Edward’s family, they develop genuine feelings and discover they rescued each other five years earlier. Eventually, Aylin and Edward reveal their true identities, defeat all villains, gain family approval, and turn their contractual marriage into a real love and happy life.
