Genre: Crime, mystery, Thriller
Director: Sidney Gilliat
Writer: Christianna Brand, Sidney Gilliat, Claud Gurney
Stars: Leo Genn, Henry Edwards, Trevor Howard, Ronald Adam, Judy Campbell
Countries: United Kingdom
In a rural English hospital during WWII, a postman dies on the operating table. One of the nurses states that she has proof of who the murderer is. The facetious Inspector Cockrill suspects one of the five doctors and nurses who were in the operating theater to be the assassin. But four poisonous pills have disappeared….