A woman pretends to have amnesia to play a prank on her fiancé, only to accidentally discover that the man she has loved for six years handed her over to his most dangerous confidant in just four seconds. Deciding to go along with the lie, she turns her fake amnesia into a revenge game — yet she gradually uncovers that the king of the mafia, whom everyone believes detests her, has actually been secretly in love with her for three whole years.