Lt. Rennick (Richard Basehart) is given a questionable assignment from commanding officer Col. Devlin (Gary Merrill): use German POWs to infiltrate the Third Reich. In charge of training the new agents is a newly minted officer from the German ranks, code-named Happy (Oskar Werner). Though everyone concerned doubts the spies will remain loyal to the Allied cause, the desperate need for leverage to win World War II pushes the operation ahead. Hildegard Knef, O.E. Hasse also star. 119 min. Standard; Soundtracks: English Dolby Digital stereo, Dolby Digital mono, Spanish Dolby Digital mono; Subtitles: English, Spanish; newsreel footage; theatrical trailer.