A bat named Aero again confronts Dr. Edgar Ector.
After defeating the villain in the entertainment world again to restore calm, but not for long. It turned out that Dr. Hector, falling from a great height due to a faulty flying machine, has managed to survive - he saved one of the assistants, Zero. Hector, returning to his stronghold - Castle of Terror, began to develop a new plan.
Aero learned that Dr. going to recapture the world of entertainment, went to the Castle of Terror, to prevent him.
