 Albert Topaze, sincere schoolteacher addicted to "rote" morality, works at a private school run by supremely money-grubbing M. Muche, whose daughter, also a teacher, makes cynical use of the knowledge that Topaze loves her. Alas, Topaze s naive honesty brings him unjust dismissal...and makes him fair game for the "aunt" of his private pupil, really the mistress of crooked politician Regis, who needs an honest-seeming "front man." Can artful Suzy Courtois keep Topaze on the string? With steadily escalating disillusion comes moral crisis...