Directed by Gordon Douglas | Starring: Dennis O'Keefe, Raymond Burr, Louis Hayward, Louise Allbritton

A security leak is found at a Southern California atomic plant. The authorities stand in fear that the information leaked would go to a hostile nation. To investigate the case more efficiently, Dan O'Hara, an FBI agent, and Philip Grayson, a Scotland Yard sleuth, join forces. Will they manage to stop the spy ring from achieving their aim?.