Steve (John Bentley) is in Trieste looking for opportunities, he manages to save Tina (Anita West) from a gunman. She hires him as a bodyguard and begins to help her unravel the mystery of a letter and map left to her by her father with the promise of much loot at the end.
However, others including Nadia (Faten Hamamah) and Mario (Ferdy Mayne) are also involved. Steve discovers that Tina's father was blackmailing a group of traitors. The trail leads them to Jugoslavia and finally Africa...
A modest film but nicely structured with some intelligently placed tension and decent performances all round. The film doesn't rush, sometimes though you wish it could have raised the pace a little now and then.