Big Chat, a notorious criminal kingpin, has been rumored to be hiding on a deserted island in the middle of the ocean. The only way to get there is through treacherous waters, but Motorcycle Jack and his trusty bike are up for the challenge. Once they arrive, they discover that Big Chat is nowhere to be found, but strange clues and hidden secrets point to a deeper mystery at play. Can you help Motorcycle Jack unravel the truth and solve the Desert Island Mystery?