Portland, a city in the western United States, fell into panic - murders followed one after another, and each victim had his face peeled off, with nails, coins and other "marks" left on the bodies. There was also a line of blood next to him: "The mask is about to return!"
The police were at a loss and the case was confusing. The old police officer Samlan invited the mysterious Chinese psychiatrist Seth Waller to help analyze the case. Just as the two joined forces, the masked killer updated the "rules of the game."
This work was titled "Criminal Psychology" and "ID" and was signed by Shan Cang, which shocked netizens - "It is a rare original mystery work."