Mr. Burns takes the Simpsons along on his annual summer vacation treasure hunt, but his South Seas adventure soon becomes a matter of life and death for everyone concerned. 'Uncle Burn$' lust for gold leads them all to the island of Donrosa and the Gottfredson trench where the Simpsons begin to realize that there is something Huey, Dewey, and Screwy about this whole undertaking and that they might be 'Barks'ing up the wrong tree! Plus two more stories of the Simpsons clan!