In the mist and rain of Jiangnan in the ancient dynasty, Yunqing, the daughter of the prefect, appears to be gentle and delicate, but in fact she is superb in martial arts and proficient in arithmetic. She supports her orphans through business and has a righteous heart. Jing Tao, a young general, is decisive in killing and not a womanizer. However, due to the checks and balances of the imperial power, he was granted a marriage with Yun Qing. At first, the two were suspicious of each other due to their different identities and personalities. However, when they faced the turmoil in the court and the grievances in the world together, they gradually discovered the unknown side of each other. Yun Qing's wisdom and tenacity, and Jing Er's deep affection and responsibility, make the two hearts quietly come closer in the midst of adversity. From the initial forced union to the later acquaintance and love, they worked together to uncover the secrets behind the imperial power, weathered the storms of life together, and finally stayed together happily, writing a legendary love that spanned identities and misunderstandings.