Yan Han, the protégé of the Northern Kingdom, was bullied in the southern court. He endured the burden and vowed to take revenge. He detested the innocent kindness of the little princess Yun Shu of the Southern Kingdom and regarded it as humiliating charity. Yun Shu tried to warm this frozen heart again and again. The antagonism between family and country is intertwined with personal emotions. In the treacherous power struggle, how will the fate of two boys and girls with opposing identities turn out? Are they lifelong enemies, or mutual redemption? A forbidden love sprouted under the hatred of the country and the family, quietly growing.