After spending ten thousand years secluded in the Mausoleum of the Tomb of Heaven, Jiang Xuan only wanted to grow vegetables, fish, and enjoy a peaceful life. However, an unexpected conflict forces him to emerge from seclusion. With effortless ease, he resolves a crisis that threatens the entire world, drawing the attention of old acquaintances who have searched for him for ten thousand years, including the Empress, the Demon Lord, and the Sword God. As hidden currents stir among the various factions, the long-buried truth of the Guixu gradually comes to light. Accompanied by several close companions, he puts an end to the crisis threatening the entire era and finally returns to a peaceful, ordinary life.