Gu Jun successfully died in the hands of the Secret Service, and also placed the veteran of the Secret Service under house arrest. After his death, he turned into a crow for revenge. Doctor Plague is a mysterious and suspenseful online novel serialized by Qidian, written by robot Kawara Tsutomu. The novel mainly tells the study and life of Gu Jun in medical college, and depicts the story that Gu Jun used wisdom and strength to uncover the truth behind the plague and find a way out for mankind under the plague environment.