During the Ming Dynasty, Japanese pirates were rampant in the coastal areas. Inspector Jiang Lingyun of the Ming Dynasty brought his sons Jiang Liuer, Master Luo and others down the canal. At this time, the battle between the Ming army and the Japanese pirates along the coast attracted their attention. They walked out of the cabin and came to the top of the mountain, where they saw the fierce battle between the Ming army and the Japanese pirates. . The imprisoned Japanese pirate emissary was released by a mysterious man. Jiang Lingyun entrusted Jiang Liu'er to Lingyun Temple, and Jiang Liu'er, who was unwilling to stay in the temple, decided to stay when he heard that Yuande, the elder of Lingyun Temple, was the master of the Demon Sword King.