According to legend, a long time ago, Xuanyuan Huangdi was on the Dinghu Lake in Jingshan Mountain, flew nine pills, and rode a dragon to fly immortals, but left the cauldron alchemy sutra for refining elixir to the world, and sealed it at the bottom of Wanzhang Lake. In order to seek the way of longevity, he searched hard, but found nothing. Su Junheng, a poor scholar who sells paintings on the street, accidentally got an order from the heavens, got the treasure that the people of the world long for, and was involved in an unprecedented The Great War of Immortals and Devils!! Gratitude and betrayal, right and wrong and love and hatred, interweave a bloody and touching world of immortals and heroes!!