An American movie actress, best known for playing dumb blondes, is Scotland Yard's prime suspect when her husband, Lord Edgware, is murdered. The great detective, Hercule Poirot, digs deeper... Read allAn American movie actress, best known for playing dumb blondes, is Scotland Yard's prime suspect when her husband, Lord Edgware, is murdered. The great detective, Hercule Poirot, digs deeper into the case.An American movie actress, best known for playing dumb blondes, is Scotland Yard's prime suspect when her husband, Lord Edgware, is murdered. The great detective, Hercule Poirot, digs deeper into the case.