The Qi people went south and conquered the capital Bianjing in one dynasty. Xie Queshan was ordered to act in danger and became a treasonous general undercover for the enemy. During a trip, Xie Queshan unexpectedly met Nan Yi, a female thief who was trying to survive in troubled times. He discovered that she not only had a strong desire to survive but also had extraordinary talents. He trained her into a sharp sword to help him complete his great cause of saving the country.
