From Back Cover:
Mark McIntyre, the newest cadet at Hudson Military Academy, is barely in town a week when he is forced into a fight with a nasty jock from Cooper High - Hudsons main competition. At first, Mark wnats nothing to do with the rivalry. He's falling for Cooper High student, Laurie Frank, and doesn't want anything to get in the way. But when fellow Hudson cadet Greg Tobias urges him to fight back , Mark suddenly finds himself joining other cadets in playing weird and violent pranks on Cooper High. What Mark doesn't know is that Greg is a centuries old warlock who's playing a sick game with a fellow demon... a chess game in which Hudson and Cooper High students are the pawns. Unless Mark can break Greg's deadly hold, he and Laurie will become victims of a terrfying and eternal evil.