The Imperial Court of Daqi rose to prominence, and once it conquered the capital Bianjing, the young general Xie Queshan was ordered to do so at the critical moment, and became a treasonous general undercover for the enemy. During an operation, he accidentally met the female thief Nan Yi. He found that this female thief not only had a strong desire to survive but also had extraordinary talents. He cultivated her into a sharp sword, and together they completed the great cause of saving the country.