He Yu spent 800 yuan to purchase a fish tank connected to the Xuanyuan Cultivation Realm. He can hear the inner voice of the otherworldly girl Luo Qingyi, and assists across boundaries with modern objects. He Yu heals and cultivates Dao by borrowing otherworldly opportunities, transforms barren land, and subdues various demons. The villain Liu Yang wants to refine an array, and He Yu breaks the situation with a toy sword. Qingyi ascends the throne as empress, and after a million years, Luo Qingyi and He Yu stay together in fulfillment.