Sophia Ariel lived in a poor frontier territory, and even after turning twenty, she had never been given the opportunity to make her social debut. Then, a sudden proposal arrived from her aunt — a duchess of the empire's most prestigious ducal house — offering to introduce her to society. Suspicious but intrigued, Sophia decided to accept. However, nothing in this world comes for free. On the day of her debut, Sophia was forced to pay an unexpected price. Caught up in a struggle for the throne, Sophia makes a proposal to Robert Uranus — the emperor's son and an illegitimate child, who shares her circumstances. A revenge story of Sophia — poor and timid, yet clever and level‑headed.