In a world where spiritual power and cultivation systems exist, cultivation is divided into multiple realms such as Qi refining, foundation building, golden elixir, and Yuanying. And for some special reason, the protagonist exchanges the soul with an ancient great power from a lost era. They can exchange bodies every full moon night and experience each other's world. In the ancient powerful body, the protagonist possesses amazing talents and strength, but discovers that this ancient powerful man is burdened with a heavy curse; while in the modern protagonist's body, the ancient powerful man is trapped in an era of spiritual energy exhaustion and has to deal with all kinds of difficult modern life.
