When ruthlessly dedicated postal inspector investigates the murder of a co-worker, he finds that the sole witness, a nun, has been targeted by the killers.

Director: Lewis Allen

Cast: Alan Ladd, Phyllis Calvert, Paul Stewart, Jan Sterling, Jack Webb, Stacy Harris, Harry Morgan, David Wolfe, Dan Riss, Harry Antrim, Geraldine Wall, George J. Lewis, Paul Lees, Yordanka Lyubenova, Vladimir Yochev