The movie follows the story of Louis, the 10th Duke of Chalfont, who reflects on his life in the hours leading up to his execution for murder. Despite being of noble descent, Louis struggled financially and had to work his way up the career ladder. He then sets his sights on the dukedom, eliminating the eight members of the D'Ascoyne family who stand in his way, making the murders appear as accidents.

Kind Hearts and Coronets
A ruthless relative schemes to claim the dukedom by eliminating the other seven heirs, driven by an insatiable desire for power and wealth.