Six thousand years ago, the Demon God Emperor Fengxiu and seventy-two Demon God Pillars fell from the sky, and all creatures contaminated with the breath emitted by the Demon God Pillar would immediately mutate into demon creatures, and mankind would enter the dark age. Subsequently, the human powerhouses organized the six holy temples on their own to block the progress of the demons, and gradually formed a situation of coexistence between humans and demons. The protagonist Long Haochen, in order to save his mother, joins the Knight Temple, one of the six major temples, to become a knight, and in the step-by-step growth adventure, adventures, tricks, fateful love and friendship continue to play out on him. Long Haochen adheres to the spirit of chivalry, and through his personality and hard work, he has won the recognition of others. He first formed the "No. 1 Demon Hunting Group" with other genius teenagers from the Six Great Temples to fight against the demons and fight for the survival and dignity of mankind. At the same time, he did not hesitate to sacrifice his life to protect his partner and most precious lover. And the world