Thousands of years ago, the Taoist ancestor ascended to immortality, fearing that the fate of immortality would be monopolized by others, so he used great magic power to create plain paper without characters. The green bull he rode was stolen into the mortal world, and his whereabouts have been unknown since then. Thousands of years later, Lu Li, an orphan without father and mother, embarked on the road of cultivating immortality for ignorant love.