In a world where she was destined to be the villainess, a young woman from the modern world wakes up in the body of Lady Lillian de Everberg, the daughter of a cold Duke. In the original novel, Lillian was executed for her obsession with the Crown Prince and her failed schemes. However, the new Lillian decides to change her fate by ignoring the Prince who once despised her. The turning point occurs after a royal celebration, where a night of heavy drinking leads to a shocking and unplanned encounter with Grand Duke Zephyr, the icy 'Monster of the North.' Bound by a night she doesn't remember and a man the original story barely mentioned, Lillian must navigate a web of political intrigue, family coldness, and a sudden, unexpected romance that threatens to rewrite the entire world's history.