Vincent Van Der Lyn, a Dutch freedom fighter in World War II, is forced to neutral Lisbon to escape the Germans. There he meets a small band of underground conspirators. The group's leader, Ricardo Quintanilla, knows that one of their number is spying for the Germans, and needs Van Der Lyn to help identify the traitor.
The Conspirators
During WW2, in neutral Portugal, a Dutch resistance fighter is attempting to find passage to England while trying to avoid Nazi spies and Portuguese policemen.
