In the midst of a coup d'état, Princess Teresa is betrayed by her fiancé, Duke Marseille. After dying by his sword, she wakes up as her twelve-year-old self and finds that the coup has yet to take place! Teresa quickly realizes that her family's oppressive rule is what caused the revolt in her past life and decides to change the course of fate. But will her newfound dedication to helping her subjects be enough to sway the duke's feelings?