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Corp. Brady (Brian Keith), an American soldier captured during the Korean War, is taken to a prisoner-of-war camp. There he meets Sgt. Rand (Robert Francis), a prisoner who is cooperating with the North Vietnamese. Brady is disgusted by these actions, but he soon discovers that Rand is actually an intelligence officer playing along to access important secrets. Rand also becomes close to Tanya Clanton (Dianne Foster), the wife of an American traitor, in order to extract information. Wikipedia