A US intelligence officer, stationed in Germany, is caught in a political dilemma when the Russians kidnap a young Army private, the son of prominent American businessman. In exchange for the soldier's return, the Russians attempt to barter a trade for an elderly German couple who they want for treason.

Leonard Nimoy is "Kid" Monk Baroni, the leader of a street gang who becomes a professional boxer to escape his life in "Little Italy" New York.