US Security Investigation Division agent Ireland begins to think things odd when his big tip regarding the illegal transportation of atomic devices into the US is explained away by the secretary of the Navy and the SID as part of routine war game exercises. Ireland sets out to prove that
his superiors were duped by the bad guys, who are attempting to sneak a big bomb into the country. He tracks down the spies and manages to detonate the deadly device by dumping it out of the saboteur's plane while flying over the nuclear test site in Nevada. Fast-paced and entertaining.