A specialist carrier is hired to deliver a mysterious case to the underworld's most dangerous hitman.

A smuggler of black market merchandise is solicited by the CIA for deleterious involvement with Flight TWA 800 and to cover up a Nicaraguan blackmail attempt on the agency.

A courier in London discovers that one of the packages she's transporting is a bomb.

Cold War spy Greville Wynne and his Russian source try to put an end to the Cuban Missile Crisis.