The girls work as temps to save for a cruise. They deal with a bratty boy, but they make it long enough to finally get aboard and say bon voyage. They discover Lenny and Squiggy have stowed away.

Rosie Greenbaum bets Laverne and Shirley they can't get into the hotel where singer Fabian is staying - as well as getting their picture taken with him. What plan of action will the girls "turn loose" to meet him and put Rosie in her place?