Letizia Charriere embodies the epitome of nobility with her knowledge, dignity, and beauty. Yet, she stoops to the level of harassing the girl favored by her fiancé, Crown Prince Dion Allenflal. When he calls off their engagement, Letizia smirks as it was part of her plan all along. Letizia knew that their marriage could potentially tear the country apart with her careful study of the situation years ago. Thus, she worked determinedly to have him break their engagement, taking him out of the equation.
Nevertheless, as she tries to make her exit, the king collapses, and memories from her time in Japan flood her mind. Her past experience as a nurse triggers her to perform CPR on the king and revive him. With this matter resolved, Letizia decides to live in the countryside and indulge in alcohol and food.
However, her peace is short-lived as the arrival of Second Prince Claude Allenflal sets off a new phase of difficulties for Letizia. Despite this, she becomes famous for her exceptional healing skills as she strives to live a life of luxury and comfort.