Episode Overview
Industrialist Lord Mayfield hosts an Air Marshal at his estate to review classified aircraft designs. Among the guests are an unscrupulous widow and an MP who's brought Poirot along fearing her influence over Mayfield. When the plans vanish, Poirot investigates.
Guest Stars
John Stride
Tommy Mayfield
Carmen du Sautoy
Mrs. Vanderlyn
Ciaran Madden
Lady Mayfield
John Carson
Sir George Carrington
Phyllida Law
Lady Carrington
Albert Welling
Carlile
Dan Hildebrand
Chauffeur