Background to Danger

Background to Danger is a 1943 World War II spy film starring George Raft and featuring Brenda Marshall, Sydney Greenstreet, and Peter Lorre.

In 1942, Nazi Germany attempts to bring neutral Turkey into the war on its side by staging an assassination attempt on Franz von Papen, its own ambassador to the country. Much to the annoyance of Colonel Robinson Sydney Greenstreet, von Papen survives and the Russians that his agent provocateur was trying to frame have solid alibis, forcing him to turn to another scheme to inflame Turkeys traditional rivalry with Russia.Meanwhile, American machinery salesman Joe Barton George Raft boards the BaghdadIstanbul Express train at Aleppo and is attracted to another passenger, Ana Remzi Osa Massen. She is worried about being searched by customs agents once they reach the Turkish border she asks Joe to hold on to an envelope containing some securities, all that remains of her inheritance. Joe obliges, but when he later examines the envelope, he finds maps of Turkey with writing on them. ........

Source: Wikipedia