Bexhill is the seaside setting of Betty Barnard’s murder and a crucial point in the investigation of the alphabetical killings. The town’s significance lies not only in the crime committed there: the Barnard family’s contrasting temperaments, Betty’s relationships, and the examination of Cust’s movements make Bexhill a place where the puzzle’s apparently impersonal pattern meets private human ties.

Setting and human context

Poirot describes Bexhill as the setting for a family drama: a happy, easy-going father and mother have two daughters who differ sharply. Betty is characterized as pretty and frivolous, while Megan is strong-willed, intelligent, and committed to the truth. Donald Fraser, a self-controlled young Scotsman, is also bound up in the local story through jealousy and devotion to the dead Betty. The crime thus enters a household already shaped by distinct personalities and attachments.

The murder and its implications

Betty is found dead on the beach at Bexhill after being strangled with her own belt. Poirot reasons that the belt’s use points to an attacker whom she regarded as friendly or affectionate. His reconstruction connects that circumstance to Betty’s enjoyment of attention from an attractive man: he imagines that the belt could have become part of a playful encounter before the killing. Donald Fraser reacts furiously as Poirot sets out this interpretation, making the investigation’s reconstruction a direct confrontation with the emotional consequences of Betty’s death.

The alibi investigation

Bexhill is also the place whose beach gives the investigators a specific location to revisit. Poirot obtains an exact account from the Barnards of when Cust called and what he said, then checks the hotel’s description of Cust’s departure. He walks in circles over the shingle where Betty’s body was discovered, despite Hastings’s view that the tide covered the spot twice daily. The apparently unproductive inspection reflects Poirot’s habit of acting on an idea whose purpose is not immediately clear to his companion.

Cust’s supposed presence in Eastbourne offered a direct obstacle to the Bexhill timeline. According to Hastings, Cust and Strange met at the Whitecross Hotel on the evening of July 24. They played dominoes for hours and parted ten minutes after midnight; if that account placed Cust in Eastbourne then, he could not also have been strangling Betty on the Bexhill beach between midnight and one. Poirot calls the problem seemingly insuperable, but his follow-up inquiries and examination of the beach show that he does not accept the apparent contradiction as the end of the investigation.

Narrative significance

Bexhill brings together the case’s patterned structure and its uneven human reality. The alphabetical sequence makes the crime appear governed by an abstract rule, yet Betty’s death turns on her particular character, the way another person could gain her trust, and the grief and anger left among those close to her. Poirot’s reflection on the separate family dramas in Andover, Bexhill, and Churston emphasizes that these lives would otherwise have continued independently; the murders force them into contact. At Bexhill, the beach is at once a crime scene, a disputed point in an alibi, and the setting where the investigation’s attention returns from the alphabet to individual relationships.