When I started writing on a rainy night, a line of gray marks suddenly appeared in the jade list; the Qingmu waist sign mistakenly opened the secret door, revealing the secret staircase of the Drum Tower. New student Shen Yan breaks into the Academy of Spiritual Arts in the Imperial Academy and discovers that the academy seals the secret scrolls of spiritual arts using rituals, and that the mortal world and the spiritual world maintain a fragile balance under the hidden books. The three seals are yet to be decided, and the mystery of the roster and the missing posts on the poster appear one after another. The young man learns to choose between rules and costs: close the door first, and then reveal the truth.
