Professor George Huntley prepares for his wife Phoebe's possible move to work in Paris during the week. While he is more than happy that their seven year old son Jamie continues to be educated at the local state primary school, Phoebe is not and is bending every rule she can in a desperate attempt to secure him a place at a top Catholic private school. This includes pretending to be Catholic by attending mass every Sunday. Meanwhile, George volunteers to take charge of his son's class after the teacher is taken ill and finds it is a hotbed of racism and bigotry. When he loses his temper with the worst pupil, mayhem results.