A young woman has a perilous affair with a General from the opposing side during the Revolutionary war.

Given up for dead three years ago in a plane crash in the Amazon rainforest, a young woman arrives in Paris to find her eminent ethnologist husband. She learns of his death in obscure circumstances, having remarried in the meantime. She sets out to unravel the mystery surrounding her husband's death.

Robert Hossein, Marina Vlady, Robert Le Beal. A brilliant "little" spy film. Hossein and Vlady play mysterious characters who meet up one night in a lonely cabin in the wilds of Normandy. They are both spies, but whom do they work for-the Allies or the Nazis.