After two American prisoners are killed by guards in the act of escaping from a German POW camp in World War II, barracks black marketeer J.J. Sefton is suspected of…

Spies hold the son of a nuclear physicist (Gene Barry) hostage in exchange for the Los Alamos bomb formula.

Having masterminded the hold up of his company office, a mining engineer is barred from the industry. He then sets up shop as an assayer, scheming to acquire a rich…