Richie gets a call from Fonzie to see him at his garage. When Richie arrives he finds Fonzie finishing up repairs on a hearse - in whose casket is contained thousands of dollars in counterfeit money. Fonzie recognizes the funeral home that owns the hearse is a front for illegal movement of counterfeit money, and Richie tells him to call the police. 

Mischievous Mork from Ork takes a break from earth year 1979, where he has been assigned to observe humanity, to visit 1950's Richie Cunningham, get a dose of humdrum and learn about relationships.