The use of the K222 preservative by the Sugary Treats causes in the population a food intolerance that triggers a fiery hunger for human flesh. Sweets containing K222 are recalled from the market, but the preservative, having accumulated for years in people's body, causes an increasing number of victims. A pest control company smells a deal and opens a new department for the elimination of polluteds, that is people who developed the infective K222 intolerance.