Lady Westholme, eavesdropping in an adjoining room, overhears that her criminal history is about to be revealed to the world and commits suicide. Disguised as an Arab servant she had committed the murder and then relied upon the suggestibility of Miss Pierce to lay two pieces of misdirection that had concealed her role in the murder. Boynton had addressed that peculiar threat the temptation to acquire a new subject to torture had been too great for her to resist. It was to Lady Westholme, and not to Sarah, that Mrs. The murderer is revealed to be Lady Westholme who, previous to her marriage, had been incarcerated in the prison in which the victim was once a warden. This places the suspicion on one of the outsiders. None of the family would have needed to murder the victim with a hypodermic, since an overdose could much more effectively have been administered in her medicine. Boynton to be dead and, suspecting another family member, failed to report the fact. Poirot then calls for a meeting and explains how each member of the family has, in turn, discovered Mrs. The poison administered to the victim is believed to be digitoxin, something that she already took medicinally. Attention is focused on a hypodermic syringe that has seemingly been stolen from Dr. During these interviews he establishes a timeline that seems impossible: Sarah King places the time of death considerably before the times at which various of the family members claim last to have seen the victim alive. Poirot claims that he can solve the mystery within twenty-four hours simply by interviewing the suspects. Later, she is found dead with a needle puncture in her wrist. Boynton uncharacteristically sends her family away from her for a period. Boynton whose apparent reply is a strange threat: 'I’ve never forgotten anything – not an action, not a name, not a face.' When the party reaches Petra, Mrs. Having been thwarted in her desire to free the young Boyntons, Sarah confronts Mrs. Sarah is attracted to Raymond Boynton, while Jefferson Cope admits to wanting to take Nadine Boynton away from her husband, Lennox Boynton, and the influence of her mother-in-law. Boynton is sadistic and domineering, which she may have inculcated from her original profession: prison warden. Gerard, who discuss the behavior of the family.

The novel opens as the family and the victim are introduced through the perspective of Sarah King and Dr.

When she is found dead on a trip to Petra, Poirot proposes to solve the case in twenty-four hours, even though he has no way of knowing whether it was murder. Holidaying in Jerusalem, Poirot overhears Raymond Boynton telling his sister, 'You do see, don't you, that she's got to be killed?' Their stepmother, Mrs Boynton, is a sadistic tyrant who dominates her family.

Mrs boynton appointment with death