When an attack force of techno-thugs under the command of the evil genius, the Black Dragon, seizes control of a top-secret time-warp trigger, Frank and Joe Hardy team up with Tom Swift to halt the destruction.

Tom Swift's strange encounter with a visitor from outer space convinces top-level government authorities that Tom is involved in an espionage and smuggling ring, and they send operatives Frank and Joe Hardy to check him out. Original.