-Your father cheated on your mother with the maid, and your mother was beheaded. Your stepmother gave birth to your stepsister. Your father loved her more. He disliked you because you disobeyed the rules. He locked you up in the dungeon. Your sister married Kai Junyoung for an arrangement between kingdoms. Everyone in the kingdom forgot about you, and every outsider thought only your stepsister was the heir. .