Shi Jianchuan's attending psychiatrist at a psychiatric clinic. He describes Shi Jianchuan as the most challenging patient he has ever taken on. Shi Jianchuan knows he is ill and cooperates with treatment, but Gu Hezheng cannot break through his psychological defenses. Gu Hezheng suspects paranoid schizophrenia and has written it in his notes. He prescribed medication to Shi Jianchuan and warned him that what is fake will always be fake and he must return to reality. He is genuinely afraid Shi Jianchuan will sink too deep into his illusionary world and never want to wake up.
