Abigail Dilloa's life takes a dark turn as her home falls into disarray, forcing her to become a servant for a captive princess for the rest of her days. Just as she accepts this unfortunate fate, the princess meets a gruesome end at the hands of assassins. Abigail is left to suffer a similar destiny until Duke Lakiel de Edelgard comes to rescue her in the nick of time. However, his motives are far from pure. He offers her a choice: either die or assume the identity of Princess Violeta and help him seize the throne. Abigail becomes a pawn in his plan and must deceive the world to claim the crown. Can she convince everyone of her legitimacy, or will the treacherous political climate of the palace reveal her as a fake?