The Imperial Master, secretly maintaining the balance of power across nine nations, holds authority far above the kings with unrivaled influence. Five years ago, to repay an old family debt, he married the eldest daughter of a powerful family and quietly helped her become a regional leader. However, on the day of her appointment, she, believing him to be worthless, divorced him. As the truth slowly came to light, she realized the man she had scorned was actually the most powerful figure in all the lands. Regretting her decision, she sought reconciliation, only to be outdone by a princess, leaving her with no way back and filled with remorse.