Bon Voyage and Aventure Malgache are taut, absorbing dramas of wartime espionage and murder, made in 1944 to aid the war effort. But when British government officials saw the films, directed by cinema genius Alfred Hitchcock. They labeled them "inflammatory," shelved them and tried to forget they were ever made.
A Scottish RAF air gunner, who has escaped from a POW camp in Germany and made it safely back to Britain, is being interrogated by a Free French Intelligence officer. As he explains how he was helped and guided by a Polish fellow-escapee, we watch (in flashback) the perilous last stages of his journey through France, passed from hand to hand by ambivalent strangers through a series of sinister rendezvous.
The French underground resistance in Madagascar is severely threatened with exposure by the jealous girlfriend of one of the resistance's leaders.