A Soviet spy ring, led by a murderous femme fatale posing as a nurse to get sodium pentathol for truth serum, kidnaps an engineer on a nuclear sub and replaces him with a lookalike (Dale Robinette plays both roles), who is assigned to learn all he can about the sub and pass it on to the real engineer, who will then be taken to Moscow and grilled by the KGB. Written by
Did You Know?
The house used for the hideout location is the same one used in the season three's "The Gunrunner". See more
When the man is killed on the beach, two thugs pick him up and carry him away. As they place him in the trunk of their car, it is clearly a light blue Ford. As the one thug runs around the car to get in the driver's seat, it is clearly a brown Mercury. As they are shown driving away, it is a light blue Ford again. See more