In the second year of the Longwu reign of the Southern Ming Dynasty, the Qing army marched southward to capture cities and territories. Wherever they went, there was smoke and gunfire. King of Yanping Zheng Chenggong led his troops in a bloody battle to defend the territory. Despite a series of misfortunes such as his father's surrender to the Qing, his mother's murder, and his uncle's rebellion, the famous general Zheng Chenggong still kept his oath to protect his country and never retreated!