After the fall of her kingdom, Princess Heshuo Xia Muyao is captured when the city falls. She survives only because enemy general Zhao Yuanting risks his life to protect her, and she is confined to the General's Residence. On one side is Zhao Yuanting, who has developed genuine feelings for her; on the other is Hu'erhe, a Northern Hu general who fell for her at first sight. With national hatred and family vendettas entangled with matters of the heart, she struggles to survive in a whirlpool of power. After enduring imprisonment and framing, she is drawn into a plot to restore her kingdom and, through a twist of fate, ends up stranded in Northern Hu. Between love and hatred, and between love and country, she writes the turbulent fate of a princess whose kingdom has fallen.