Tension

Warren Quimby, mad about his beautiful but unfaithful wife, Claire, plans to murder her lover, Barney Deager. He creates another identity so that when he commits the murder he will not be suspected. He is painstakingly precise in every detail of his plan, even to becoming friendly with Deager's neighbor, Mary Chandler. But when Warren, as Paul, falls in love with Mary, he is appalled that the could have even comprehending his planned action. And, then, Deager is actually murdered.