The Jewel Robbery at the Grand Metropolitan Summary

Captain Hastings and Poirot in need of change of air travel to Brighton. They stop at the Grand Metropolitan, where they dine, admiring wealthy guests. It occurs to Poirot that in such surroundings there would be many theft opportunities. They meet Mr and Mrs Opalsen, who own many items of expensive jewellery acquired by the husband, a wealthy stockbroker.

Mrs Opalsen is eager to show one of her necklaces. When she goes to fetch it she disappears. Her husband follows her. Soon the police enters and Poirot and Hastings decide to get involved. They find Mrs Opalsen crying in her room while her husband is nervously pacing around. The policeman interrogates Mrs Opalsen, who confesses that her necklace was stolen. She wants Poirot to investigate the theft.

She came to get...