You're Just a Delivery Boy, Robbing the Crime Squad?

[Traditional criminal investigation] [Hard-core reasoning] [Suspense and brain-burning] A bizarre murder of a deliveryman implicated Chen Mu, who was supposed to disappear from the public. The pursuit of an innocent policewoman and an unsolved case filled with mysteries. The murder in the alphabet game and the bizarre dismemberment on campus. When Chen Mu unveiled his disguise as a delivery boy, old cases that had been investigated for many years gradually surfaced.