ScoobyDoo and his pals win an all-expense paid vacation and embark to your tropical heaven on a vacation of a lifetime. Their destination proves to be Zombie Island. After they arrive they comprehend that the place can be similar to a visit and looks strangely recognizable they took years ago, in that they became wrapped up in a mystery involving zombies. The gang soon learns their trip to heaven has a price once the zombies re-emerge and attack their hotel. Can Scooby Doo and the Mystery Inc. gang finally solve the mystery behind Zombie Island?