The time is June 1942, the beginning of
As the two agents are bringing their equipment ashore, they are surprised by a patrolling US Coastguardsman, who is quickly killed by one of the crewmen from the U-boat but an attack dog accompanying him badly mauls one of the agents. Desperately in need of medical attention, the wounded agent must be returned to the U-boat for treatment. As the crewmen disappear into the night Erich Stinnes, alias Karl Stoner, is left with the sudden realization he will be carrying out this operation on his own.
Stoner is fortunate in not only finding a job at the local shipyard but he is able to rent an apartment from an attractive woman, who is recently widowed.It is not long before the two of them begin an affair that causes Karl, already ambivalent about the war, to question the wisdom of his mission. Before he can resolve his dilemma, an incident at the shipyard exposes him for what he is. Having no choice he is forced to flee leaving Anne to suffer the consequences of her affair with a Nazi spy.