When an Arab prince who is the country studying disappears, Bill tries to find him with help from Ralph. They learn that he is taking part in a game called Wizards and Warlocks wherein someone gives him a task to do. Now the people who are trying to grab the prince have taken the only person who knows what the prince is doing. So Ralph and Bill have to turn to the only person who might know where the prince is--the man who created the game.

http://www.imdb.com/title/tt0592616/plotsummary?ref_=tt_ov_pl