Yu Tingwan, a princess of the former dynasty, is placed under house arrest with her mother. Crown Prince Xie Linheng has feelings for her, but their identities create a conflict between them. As they spend time together, his feelings grow deeper. Yu Tingwan resists his advances and escapes from the imperial palace, only to be kidnapped during her flight. Xie Linheng risks his life to rescue her, and Yu Tingwan finally lets go of her prejudices and reassesses her feelings.