Chen Mu, a college student, was accidentally involved in a bizarre incident due to the secret technique of exorcising corpses passed down from his family. He used a bronze bell and his own secret technique to explore the truth with the help of the remaining consciousness of the deceased, and solved many mysterious and unsolved cases one after another. In the process, he met the cold-blooded forensic doctor He Qingqing, and the two went from fighting each other to working side by side to solve the mystery together. Chen Mu also gathered merit and practiced secret techniques in his investigation after case. He grew from an ordinary college student to a master of strange cases with unique skills, using secret techniques to protect justice and explore the truth in the world.