Third Girl
- Episode aired Jul 18, 2010
- TV-14
- 1h 33m
After a seemingly neurotic young heiress tells Ariadne Oliver and Poirot that she thinks she may have killed someone, her ex-nanny is found with her wrists slashed.After a seemingly neurotic young heiress tells Ariadne Oliver and Poirot that she thinks she may have killed someone, her ex-nanny is found with her wrists slashed.After a seemingly neurotic young heiress tells Ariadne Oliver and Poirot that she thinks she may have killed someone, her ex-nanny is found with her wrists slashed.