Two federal agents battle a gang that hijacks trucks carrying materials vital for the security of the country and sells them to foreign powers.
The story of a group of thugs led by a mysterious mastermind called the Voice. This group is committing what is known as the "the boldest robbery in the history of the F.B.I." - hijacking shipments of precision equipment and uranium. Agent Hal Duncan is assigned to the case to stop the criminals. Includes 12 episodes of the serial.