Start a thrilling adventure in Enid Blyton's 'The Mystery of the Vanished Prince', where Fatty and the gang find themselves entangled in a web of deception and kidnapping. Returning from a cruise with exotic costumes, the children play a mischievous trick on the Goon brothers, pretending to be royal relatives of the missing Prince Bongawah. But when the real prince goes missing, Fatty must reveal the truth to Inspector Jenks and team up with Mr. Goon to solve the case.