A talented American actress enlists the help of the famed Belgian detective, Hercule Poirot, to negotiate a divorce from her husband, Lord Edgware, only to find him the next day stabbed to death in his library. Who would want him dead?

'Butler inherits title but keeps it secret to woo employer's daughter.' (British Film Catalogue)

'Escaped convict blackmails murderous doctor into helping him.' (British Film Catalogue)