Jack is your average guy; he worries about getting into college, despite his age he still has curfews, he dreams of becoming a professional baseball player. Oh yeah and he also hunts down doppelgangers with supernatural powers. Jack has tasked himself with tracking down and eliminating the physical manifestations of people's worst side of themselves. To some they are simply called 'Doppelgangers', to others they are called 'Tuplas'. However this way of life is starting to change, he begins to encounter more people like him and this leads him to a secret paranormal organisation which has ran his home town from under the shadows. Jack will soon learn the secrets behind the 'Tulpas' as well as the curse he has been given to fight off these creatures.