The year is 2027 and New York is in ruins. Due to explosive population growth and environmental pollution, the food problem was extremely serious. That same year, Soylent introduced the synthetic food Soylent Green. (Raw materials are humans.) Just when it seemed that the food problem would be resolved, the president of the company was found murdered in his home. Thorn of the Homicide Division sets out to investigate, but a government conspiracy to break the food crisis swirls behind it.