In a world 10 years into the future are vampires, the vast majority of the population with only 5% of the remaining races. This poses particular challenges, which is the food supply of the Vampire – the blood of the people – in decline, and rationing is now the norm. There is increasing evidence that vampires were adequate blood supplies are cut off even too wild, vile creatures who attack everyone and everything to survive. Dr. Edward Dalton, a vampire and hematologists, who works for a pharmaceutical company, has worked on the search for an artificial blood supply that meets the needs of society vampire. He is friendly with people and sees his work as a means of alleviating their suffering, but his views on the search for a solution changes dramatically when a person who has found a way to transform from a vampire, true to human form again.