A one-man army comes to the rescue of the United States when a spy attempts an invasion.
The Violent Enemy
During the troubles in Ireland an IRA bomb plot is hatched to blow up a British power station. Sean Rogan is an IRA bomb expert and escapes from prison to try and stop the destruction.
A World War II U-boat crew are stranded in northern Canada. To avoid internment, they must make their way to the border and get into the still-neutral U.S.