Laverne, Shirley, Frank, and Edna travel to New York to visit Frank's mother and attend a street festival; they are joined there by Lenny and Squiggy (who hitchhiked).
Laverne, Shirley, Frank, Edna, Lenny, and Squiggy continue their visit to New York, and Frank wants to win a trip to Italy for his mother by winning the Greased Pole competition.