A dystopian novel set 100 years after the outbreak of the virus, it tells the story of human survival and resistance trapped in the only surviving city - the "White City". The story focuses on how individuals struggle to survive under the weight of the system in a highly classed and oppressive social background. The core conflicts of the novel revolve around viruses, antibodies, social stratification, and data control of antibodies. It depicts how humans face the game between individual freedom and collective management under the high control of technology.