This is a romance novel set in an imaginary ancient dynasty. The story tells the tortuous love story between Xie Jingheng, the prince of Zhenbei Hou, and Shen Qingwan, the daughter of the imperial physician. The two were childhood sweethearts, but were separated due to a palace incident. When we meet again many years later, he is a cold-faced general with great military exploits, and she is an anonymous medical master. The grudges between family and country, palace intrigues, and the mystery of identity are intertwined. The two work together to uncover the truth, and ultimately protect their family, country, and love in the turbulent times.