Leite, the daughter of a frontier marquis who proudly calls herself a "heinous noble lady" firmly believes she is hated by the common people. One day, in order to obtain bodyguards who would never betray her, she impulsively purchases a group of injured male slaves brought in by a slave trader. To earn their loyalty, she uses rare healing items to treat their wounds and declares that she will provide them with money and housing. Instantly, Leite wins their admiration.

Though she sees herself as a villainess, in reality, she's unknowingly saving people and gaining the trust of the populace. Then, it's discovered that among the slaves she bought are the first prince—rumored to have been killed in a revolution—and defeated soldiers...