Walter Williams

When beautiful Salomy Jane resists the romantic advances of a young ruffian, she is rescued by Jack Dart, who has his own additional reasons for tangling with the man. Jack fights the ruffian and kills him. He escapes with the law on his trail, for it is (wrongly) presumed that he is also the man who held up the stagecoach. Salomy Jane comes to his rescue when he is captured and about to be lynched. (imdb)

A veteran American espionage agent is sent with a new partner to Italy, in order to track down 100 pounds of missing plutonium before it can be obtained by terrorists.