One day, our protagonist, Ophelia, the daughter of a fallen noble family, receives an order from the emperor. It states that she has been chosen as the bride and groom of the fourth prince, Sedis, also known as the "Ice Prince." Furthermore, the order warns that if she fails to arrive at the imperial palace by the specified date, her territory will be confiscated, her father will be executed, and even Ophelia and her brother will be punished. Embracing big dreams of becoming the crown princess and establishing her family, she heads to the imperial palace, but she has no idea that an unimaginable situation is looming over her...