A submarine commander is determined to use guided missiles on his sub in this war drama. To do so, he defies the edict of the navel bureaucracy and begins testing the prototypes. This results in personal injury and the death of a crewman. So guilty does the commander feel, that he begins to suffer a mental breakdown and becomes hysterically paralyzed. Fortunately, he recovers, sincerely apologizes to the Navy and is allowed to proceed with the testing.