When Julie Dalton, a pretty, young English teacher in Berry Township, a Northeast suburban area, is found murdered in the school's field house, Kado Dolan, a 60 year-old retired teacher is asked to teach the victim's classes. The victim has left a clue on the dusty blackboard in her classroom. As a result many possible killers emerge: a fellow teacher, a former student, and angry cheerleader, a pressured student, a jealous sister, and a high school beau. George Clews, the Berry Police Chief and a former student of Kado's, holds a press conference and announces that Julie had sustained...