John Scaduto (Zachery Ty Bryan), a troublesome high school senior makes a deal with his parents that he will not get into any more trouble until he graduates to receive $10,000 gift from them. However, when his principal Frank Hockenberry (Kurt Fuller) is involved in an accident in a prank that he planned, he finds a homeless man named Franklin Fitz (Kevin Nealon), to act as the acting principal to keep his parents and every one else none the wiser. While acting as principal, Franklin falls for Celia Shine (Jessica Steen), a fellow teacher.