When every imperial physician gives up on the mortally wounded Xiao Yuntian, timid young healer Ye Linger performs a miracle. But the woman who saves the legendary prince hides a greater truth: she is the empress herself, traveling in disguise to heal both her people and her kingdom. By the time Yuntian discovers that the physician he loves commands the entire empire, he is ready to lay down his armor and pledge her his loyalty and his heart.