Kind Hearts and Coronets is a 1949 British crime black comedy film directed by Robert Hamer. It features Dennis Price, Joan Greenwood, Valerie Hobson and Alec Guinness; Guinness plays eight characters. The plot is loosely based on the novel Israel Rank: The Autobiography of a Criminal (1907) by Roy Horniman. It concerns Louis D'Ascoyne Mazzini, the son of a woman disowned by her aristocratic family for marrying out of her social class. After her death, a vengeful Louis decides to take the family's dukedom by murdering the eight people ahead of him in the line of succession to the title.

Plot

In Edwardian England, Louis D'Ascoyne Mazzini, 10th Duke of Chalfont, is in prison, awaiting his hanging for murder the following morning. As he writes his memoirs, he recounts the events that led him there in a flashback.