George Sanders stars in one his most famous roles as the Leslie Chateris creation, The Saint. When a person resembling The Saint, who is still believed to be in Egypt, suddenly turns up in Philadelphia with a haul of smuggled diamonds, the real Saint struggles to prove his innocence to the police’s satisfaction. And when dead bodies start turning up with incriminating evidence pointing to The Saint, the police have no option but to track Simon Templar down.  But The Saint is one step ahead of them and as his investigations continue, he discovers that there is more to this case of mistaken identity than meets the eye.