After dying on the battlefield, she awakens a year later in a new body, only to find herself in the territory of her greatest enemy, the Balot Grand Duke. Forced to reveal her secrets and work as a maid in his household, she secretly plans to survive for two years before taking his life and returning home.

However, everything changes as she becomes an indispensable member of the household, earning the trust and admiration of everyone around her. Before long, she finds herself wondering if serving as the Grand Duke’s butler might actually be her true calling.