After the destruction of the demon world, the demons were displaced in the human world. The Jiugong family sent their eldest daughter, Jiugong Ryoko, to study at the "Sixty Gates" of the Huaxiu Kingdom to secretly collect demons and send them back to Sun Island. Wang Ling and other people in and Jiugong Ryoko get along, gradually found her and the whole Jiugong family's true purpose ...... against the sky of the immortal king, and this time to secretly why the battle?