A giant airship over 2000 feet long, powered by a nuclear reactor. Carrying 400 passengers, as well as cargo, it's the first of a luxury fleet that could revolutionise long-distance travel.

The public must be convinced it is safe, but there are powerful groups determined to see the first flight become a spectacular disaster.

Michael Colino is hired to thwart sabotage attempts on the maiden voyage...and unless he can avert imminent catastrophe, America's biggest city will become a graveyard.