Disciplinarian Mrs. Proctor, Robbie's awful history teacher, breaks a leg and the replacement they receive is even worse. She is a charming, but inexperienced girl who earns her first battle star when she first encounters Robbie's class.

Chip and Ernie get an interesting lesson in honesty, and dishonesty from the school bully, who volunteers an insight to the underbelly world of swiping school lunches. Chip becomes bewildered by the differing standards of honesty among those he knows and Steve must do his best to sort out the problem.