Sleeping Murder (2) - S2.E2

A young wife, Gwenda, starts to see images from the past in the Devon home she and her husband buy. With Miss Marple's guidance, she realises that she witnessed the murder of her stepmother there 20 years ago, as a child. Despite Miss Marple's advice to let sleeping murder lie, the newlyweds decide to investigate the crime, putting Gwenda's own life at risk by stirring a murderer into renewed action.