After being rejected and hurt by her betrothed Prince Alexis, Monette, a noble from the House of Idira, spirals into self-doubt. When her sister becomes the prince's new fiancée, Monette, plagued by insecurities about her appearance, cloaks herself in full-body iron armor. Alone in an ancient castle, she delves into magical studies until two unexpected visitors arrive, pleading for her help to break a curse. Monette, the armored recluse, Prince Alexis cursed with perpetual misfortune, and the overprotective knight Percival embark on a peculiar journey, each convinced of their own rationality in this whimsical tale of self-discovery.