In the third year of Xuande, Mu Lixing, the water envoy of Shenyan Palace, led the palace people to rebel. Shen Yan Palace turned into a sea of fire, and the palace owner Mu Jinyue was buried in the fire. Biluo Palace, Qianyu Pavilion, the Spiritual Fire Sect outside the Great Wall... A martial arts catastrophe emerged with the destruction of Shenyan Palace. Who is planning all this? What is his purpose?