Starting from Finding the Murderer and Investigating the Case, Slaying the Demons

Lin Ye traveled through time and became an unregistered agent of the Daling Dynasty, who was on the verge of starving to death. He suddenly awakened the ability to view the deceased's memories before death. He thought that with this ability, he would be appreciated by his boss and envied by his colleagues, and gradually reach the peak of his life. Unexpectedly, in Huang Yuanwai's memory before his death, he saw a demon that he had not heard of for thirty years.