In a twist of fate, a powerful woman is reborn as Yeo-jun, a frail fourteen-year-old boy with twelve sisters. Navigating the complexities of a new life and body, Yeo-jun must conceal her true identity. Her path crosses with Kaelen, the captivating crown prince of the formidable Northern Empire. Their initial interactions are marked by conflict, a clash of wills between two strong personalities. However, amidst their constant sparring, a forbidden love blossoms between them – a love complicated by Yeo-jun's gender and the societal constraints of their time. Their secret relationship is discovered by the Emperor, leading to Yeo-jun's stripping of title and imprisonment. Now, facing the cruel realities of their world, Yeo-jun and Kaelen must fight for survival and their forbidden love, unsure if their bond can withstand the trials ahead. Will they overcome the Emperor's wrath and societal prejudice, or will their love be their undoing?