Sixteen-year-old John Wayne Cleaver has always known he s different, but not because he only has one friend (and doesn t much like him) and not because he regularly helps out in his mother s mortuary. He s different because he recognizes the classic signs of an incipient serial killer in his own personality, and he s created a rigid set of rules to follow to keep his darker nature, the one he calls Mr Monster in check. But John discovers it s the personality traits he so fears that put him in the best position to save the people of his town from a series of horrific and disturbing killers...