Margin for Error

Margin for Error is a 1943 American drama film directed by Otto Preminger. The screenplay by Lillie Hayward and Samuel Fuller is based on the 1939 play of the same title by Clare Boothe Luce.

Moe quickly discovers Baumer is in trouble with Berlin for having squandered money intended to finance sabotage. His secretary, Baron Max von Alvenstor Carl Esmond, has become disenchanted with his boss and refuses to delay the delivery of a damaging financial report to Berlin. Baumers Czechoslovakian wife, Sophia, confesses to Moe she loathes her husband and married him only to secure her fathers release from prison. Also at odds with Baumer is Otto Horst, who has been ordered to procure false identification cards for German saboteurs assigned to blow up an American port at the end of a radio broadcast delivered by Hitler.Under orders from Berlin to dispense with Horst, Baumer plots to frame Max for the mans murder and tries to enlist Sophias help, but she warns Horst of the scheme, so he begins to carry a gun for protection. While the Baumers are listening to the radio speech with their guests Horst, Max, and Dr. Jennings, Horst stabs the Consul with his new knife without the others noticing it. Then Sophia grabs Horsts gun and kills Baumer. Max urges Sophia to escape before anyone sees her. ........

Source: Wikipedia