Lin Chen discovers that his home fish tank has transformed into a cultivation world. The leader of Qingyun Sect, Zong Yuan, and her disciples are trapped inside, and they mistake his feeding and objects as divine signs from the Heavenly Dao.
Believing it to be a trial, Zong Yuan is determined to restore Qingyun Sect. As the small world evolves and cultivators begin to sense the boundary of the world, an unexpected connection across the tank quietly begins to unfold.
