"Mystery, Inc.'s own Fred Jones has always dreamed of performing death-defying acrobatics under the big top. So when the gang stumbles across the Brancusi Circus, he leaps at the chance to check it out. The circus ringleader is desperate for the gang's help in solving a mystery. A werewolf has been terrorizing the performers and stealing jewelry from the audience members. Now it's up to the kids from Mystery, Inc. to solve this mystical mystery! Can Scooby and the gang save the greatest show on earth?"--Page 4 of cover.