Robby creates his own comic strips so he can freak out his friends and family. His favourite character is Dr Maniac, a villain with a wicked grin and evil superpowers. And now Dr Maniac is on the loose . . . in the real world! Will Robby survive his encounter with Dr Maniac and join the other kids who have been summoned to HorrorLand? Either way, danger is drawing closer and closer. . .