Immortals and demons coexist in the Daxuan Continent, the Nether Realm is demoted, and the remaining tribes survive. Ji Yaqing carries the blood of the Netherworld and secretly investigates the truth behind the death of her parents, but step by step she steps into the vortex where the supreme interests of the sect, family, dynasty, and the You clan are intertwined. She gradually transformed in the cruel practice and struggle for interests, made friends with comrades, solved the mysteries about her family, the nether world, spiritual veins, and conspiracies, and gradually revealed the real reason why the nether world was exiled and the fairy world was corrupted. In the multi-line perspective, intrigue, betrayal, faith, family affection, friendship and love and hate are constantly colliding. In the end, amid the tearing of human nature and the choice of strength, she led everyone to reverse the fallen world and strive for a chance for coexistence and rebirth for the Netherworld and the mainland.