Solicitor Alan Phipps formulates a plan to blackmail his wealthy and unfaithful wife, Yvonne, and at the same time, get revenge against her boyfriend, John Brodie, by setting him up to appear that he is the blackmailer and for Yvonne to kill him.
Acting
Maxine Audley's trembling upper-class fragility—she knows she's prey.
Direction
Moxey squeezes dread from drawing rooms. Economy as art.
Writing
Every line advances the vice-tight plot. No fat, all venom.

Director
John Llewellyn Moxey
Trivia, insights & behind the scenes
Made for ABC's 'Armchair Theatre' series, this was technically TV—but shot on 35mm and released theatrically overseas.
Patrick Magee's Inspector Cummins helped define the 'methodical copper' archetype that Inspector Morse would later polish.