In a nation ruled by patriarchs, one imperial family defies tradition — their crown is passed from mother to daughter.
Noble houses sharpen their smiles and send their sons, each desperate to charm the future Empress. But Crown Princess Seon-yo, heir to a throne where love is just another weapon, is no fool. Thrown into a palace of secrets, politics, and pretty lies, she must navigate a deadly game of power and pretense.

Will she choose wisely? Will she rule alone — or not at all?
In the end, can Seon-yo claim both the crown and her heart’s desire?