Refusing to go quietly into forced retirement from the police force, Howard's visiting dad, former Detective Captain Sean Cunningham, causes upheaval in the household while struggling to define the next phase of his life.

Sophomore Joanie Cunningham gets basic back-seat defense tips from Richie and Fonzie before her first "car date" with a senior boy, and then cramps her older brother's style when she and her date show up at his college "make-out" party.