As a top detective with a talent for logic, Yue Zheng was accidentally involved in a series of mysterious cases in ancient tombs with strange rules. Every step he takes must abide by the ever-changing rules of strange stories. The slightest deviation will trigger a fatal crisis. He relied on his ultimate reasoning ability to peel off layers of cocoons and decipher the murder clues hidden in the tomb. While avoiding rules and traps, he completed the dual tasks of detective work and tomb robbing, and gradually uncovered the secret truth buried for thousands of years.