The Crouching Beast (1935)

In Constantinople in 1915, Gail Dunbar, an American newspaper reporter, gets entangled in a spy network. Ahmed Bey, the head of the Turkish secret service,is trying to recover the stolen plans of the Dardanelles fortifications. Niger Druce, a British spy, asks Gail to carry out certain orders for him in the event he is killed or captured. Based on the novel "Clubfoot."