At the end of the Song Dynasty, the dust rose in the border area, and the Jin soldiers marched south to invade the border area. {Zhao Lie} was originally an ordinary soldier in the Song army's account, but he stood out with his courage and courage in defeating the enemy in the defense of Weizhou, and was promoted to a general. He was well aware of the shortcomings of the Song Army's weak cavalry and short range of crossbows. He improved crossbow equipment, created a "guerrilla cavalry formation", and defeated the Jin soldiers many times. However, the leader of the imperial court and the official Wang Yuan secretly communicated with the Jin people, suppressed Zhao Lie everywhere, and withheld military supplies and equipment. {Su Jin}, the daughter of a frontier general, entered the camp with her medical skills to help {Zhao Lie} treat wounded soldiers and stabilize the morale of the army. {Zhao Lie} united with the generals of the main war faction to resist the Jin army's offensive while collecting evidence of {Wang Yuan}'s collaboration with the enemy. Finally, after the Battle of Yancheng, he exposed his crimes, cleared the court obstacles, and strengthened the Song Dynasty's northern frontier defense line.
