This is the story of a convict fellow whose brother is a bright scientist that discovers a vaccine against a deadly infection. The clash between good and evil moves the convict to search into his soul and find the goodness that will lead him to the ultimate sacrifice.
British-born David T. Bamberg was a magician who went by the stage name of Fu Manchu. He was so popular in Mexico and South America that he was given the opportunity to star in a series of crime / horror / mystery films between 1943 and 1949. This is one of them.