While vacationing in Florida, the sights of which are not as interesting to his nephews as their comic book, Donald Duck and the nephews stumble across what looks like the legendary Fountain of Youth. Donald can't resist convincing his nephews that it really works as he supposedly regresses in age and eventually Donald tricks his nephews he turned into an egg. Soon they all run into trouble with an alligator and her two babies, as the egg Donald used was a gator egg.