A fish-out-of-water story of a young boy Ridley who becomes lost in the harsh Australian outback with nothing but his camcorder and new friend, a wayward Dingo.

The Mystery Inc. gang have gone their separate ways and have been apart for two years, until they each receive an invitation to Spooky Island. Not knowing that the others have also been invited, they show up and discover an amusement park that affects young visitors in very strange ways.