To get evidence against a crooked garage owner, a rookie cop masquerades as a hard case who wants a job as a mechanic.

Richard Dadier is a teacher at North Manual High School, an inner-city school where many of the pupils frequently engage in anti-social behavior. Dadier makes various attempts to engage the students' interest in education, challenging both the school staff and the pupils. He is subjected to violence as well as duplicitous schemes.

A sleazy but ingenious criminal masterminds a heist at a sold-out sports arena. He hires a motley crew of henchmen, seduces the middle-aged head cashier, and plans some brutal ruses to elude the law. But he's his own worst enemy.