In this era where spiritual energy is revived and ancient martial arts and supernatural powers coexist, martial arts geniuses actually start from the scene of the crime? Su Yan, an ordinary college student, accidentally awakened the mysterious system [Convict and Sanctify] because of his involvement in a bizarre murder case. He must solve unsolved cases and collect "the true meaning of martial arts" - the victim's remaining thoughts, the true meaning of martial arts attached to the murder weapon, and even the unique internal force traces left at the scene. When others were practicing hard, he was refining his mind in the haunted house; when others were in seclusion, he was hunting down the serial warrior killer. Others practice exercises, but he practices case files! A series of strange cases became his ladder to the pinnacle of martial arts. When the truth and power are entangled, Su Yan discovers that he is not only fighting against the murderer, but also the taboo truth that no one dares to touch in the entire world martial arts system...