With Chuck Ramsay and the young student pilot Frank Crane in the hands of Ivan Shark, the mystery of their disappearance has become more baffling to Captain Midnight. As our scene opens today, Ivan Shark's powerful plane is flying high over a region unknown to Chuck. Young Crane is in the rear compartment, with Fury Shark and the servant Fang guarding the door. The chief pilot Guardo, sits in the cabin with drawn pistols, watching Chuck, who is sitting in the co-pilots seat talking to Ivan Shark...