The life of veteran English teacher Michael Bishop takes an unexpected turn when one of his students opens a trap door in the auditorium stage and discovers the body of a recently hired maintenance man. In the dead man's wallet is a piece of paper with "Avignon 1868" written on it. Is that the key to solving the mystery, or is it a meaningless distraction? As Bishop searches for answers, Holy Trinity High School is rocked by a financial crisis. Two...