Dark Brown (1957)

N London in 1900, a young woman, Jenny, is married to Arthur Brown, a tobacconist. Arthur keeps going away to visit his aunt. Jenny's mother dislikes the mysterious Arthur and wishes her daughter had married Fred, who has since become engaged to Jenny's cousin Bella. Bella and Fred visit the shop and Fred says he saw Arthur in town on a day when he was supposed to be with his aunt. Fred sees this upsets Jenny and backtracks. But then Arthur's aunt Mrs Persephelous visits wanting to see Arthur and reveals she hasn't seen Arthur for a while. Jenny's concern grows when she sees Arthur has cut out articles about a murderer who was recently hung. Arthur comes home and Jenny worries that he wants to kill her. She reveals what he found out. Arthur confesses that he worked as a hangman, like his father. Jenny says she wont leave Arthur.