An act of vandalism at the high school causes a curfew to be set for Milwaukee teenagers. Richie & friends get jailed by officer Kirk and Richie's dad Howard Cunnigham as well.

Officer Kirk promises to forgive Howard Cunningham's parking tickets and allow a loading zone space in front of his hardware store, if Howard can convince the Fonz (who is given a temporary Special Police appointment) to stop his old gang, the Falcons, from rumbling with their rivals, the Dragons.