In January 1986, fifteen-year-old boy-genius Nick Hayes discovers he's dying. And it isn't even the strangest thing to happen to him that week. Nick and his Dungeons & Dragons-playing friends are used to living in their imaginations. But when a new girl, Mia, joins the group and reality becomes weirder than the fantasy world they visit in their weekly games, none of them are prepared for what comes next. A strange--yet curiously familiar--man is following...