Tiger in the Smoke

Tiger in the Smoke is a 1956 British crime film directed by Roy Ward Baker billed as Roy Baker and starring Donald Sinden, Muriel Pavlow, Tony Wright, Bernard Miles and Christopher Rhodes. It is based on the 1952 novel The Tiger in the Smoke by Margery Allingham, although the film omits the principal character of Albert Campion. The film is set in a noirish smogshrouded London and Brittany, France and combines the genres of mystery, thriller, crime and drama. The cinematography was by Geoffrey Unsworth.

His interest aroused by the pictures sent to Meg, her new fianc Geoffrey Leavitt follows Morrison and tries to demand an answer from him about his sudden appearance masquerading as Megs dead husband. Morrison again refuses to talk, and tries to flee from Leavitt into an alley where he is set upon by a gang of exsoldiers who beat him to death and take Leavitt off as a prisoner.It is soon revealed that they are excommandos and former comrades of Morrison, with whom they served on a raid in Brittany in the Second World War. The commander of the raid had been Major Elgin, the husband of Meg. They were led to believe that Elgin had secreted a large amount of treasure in a house in Brittany and now that he is dead they are desperate to get their hands on it. They are wary of their former Sergeant, a psychopath named Jack Havoc, who has recently escaped from prison and committed several murders, who is also seeking out the treasure. Believing that Morrison was an accomplice of Havoc, they attacked him. ........

Source: Wikipedia