Lulu and Judy Geeson continue their earlier roles and come to the farewell par Lulu and Judy Geeson continue their earlier roles and come to the farewell party. Thackeray announces that he is leaving for an inner-city school in Chicago where he will teach again. In Chicago, he meets a former colleague who is the principal of the school. Thackeray learns that there is an A class with good students and an H (for "horror") class for the no-gooders. He convinces the principal to let him take the H class as a History teacher. His new pupils are Hispanic, Black and White kids who are noisy, unruly and engaged in destructive behaviours. Like in London, he starts by teaching them some manners. He addresses them as Mr X or Miss Y, and expects to be called Mr Thackeray or Sir (hence the titles). Little by little he learns their personal stories: Wilsie is a gang leader who protects his younger brother. Another is a black female who battles against double prejudice. The white kid is growing without parents and hides this to avoid being foste详情