Airs: 8:00pm - 9:30pm on ITV
Friends and family gather at a dinner-party to mark the second anniversary of a woman's death. The atmosphere is so charged that one almost expects the victim to come back from the dead. Meanwhile, Poirot is caught up in a coup d'etat and arrested as a spy, which prevents him from solving a murder at a French restaurant owned by an Italian in Buenos Aires... but all is not lost.