C67 Psychological Surveillance

If Chiang Yan had become a Robinson Crusoe, living in isolation on a deserted island, it would make sense, given the seclusion of such a place.

Yet, his disappearance in the heart of a bustling urban area was quite peculiar.

Lu Wangshu was convinced that Chiang Yan had met his demise on the day he vanished. He resolved to inquire with Qiao Liang about the enigmatic case of the 512 disappearance