The Crooked Web

The Crooked Web is a 1955 film directed by Nathan Juran. It stars Frank Lovejoy, Mari Blanchard and Richard Denning.

Stan accepts an offer to help recover the gold for a cut of the loot. What he doesnt know is that Joanie and Frank are actually undercover cops. A rich businessmans son was apparently killed by Stan during a deal gone wrong, but the German police are unable to extradite him to charge him with a crime.Frank pretends to shoot his partner, using blanks. He secretly meets with Berlin chief of police Koenig, pretending to be looking for the gold. Stan fears a doublecross, but confesses his wartime murder to Joanie, and is shocked to be placed under arrest. ........

Source: Wikipedia