William Franklin is a teacher who was born in Ireland and moved to the United States only to repatriate in 1939 after his leftist political views cause him to lose his job. Franklin becomes the first non-cleric instructor at St. Jude's, a school for wayward boys run by Brother John, who is a firm believer in strong discipline.

Colin is a Catholic and George is a poetry-loving Protestant. In Belfast in the 1980s, they could have been enemies, but instead they became business partners. After persuading a mad wig salesman, known as the Scalper, to sell them his leads, the two embark on a series of house calls