"Kind Hearts and Coronets" is a British black comedy film released in 1949, directed by Robert Hamer. The story follows Louis Mazzini, played by Dennis Price, who seeks revenge on his aristocratic family after being disowned. He embarks on a plan to eliminate his relatives in order to inherit the title of Duke of Chalfont. The film is notable for its clever use of dark humor and features Alec Guinness in multiple roles as the various family members. It explores themes of class, ambition, and morality, making it a classic of British cinema and a significant work in the genre of black comedy.