The Durango Kid rides again in Lightning Guns. As ever, the masked Durango (alias Steve Brandon) is played by Charles Starrett, who this time around is on the trail of a gang of cold-blooded killers.
Prosper Bourrache, who has the gift of the gab, is natural born street vendor. Due to a mistake he gets involved in the burglary of a shady banker's house.
Lilli Marlene, a French girl working as a bar maid in her uncle's café in Benghazi, Libya, turns out to be the girl that the popular German wartime song Lili Marleen had been written for before the war, so both the British and the Germans try to use her for propaganda purposes - especially as it turns out that she can sing as well.
Envoi de Fleurs is based on incidents in the life of French composer Paul Delmet. Played by popular French singing star Tino Rossi, Delmet is depicted as a man all too willing to give up personal happiness in favor of blind ambition.