Bertram's is a quiet, elegant London hotel that appears untouched by the modern world, preserving the comforts and rituals of Edwardian England down to the muffins, the deferential staff, and the hushed wood-panelled lounge. For Miss Marple, returning after many decades, the place is an irresistible chance to revisit the world of her youth, and at first it seems impossibly, comfortingly unchanged. Yet the longer she lingers over tea and watches the well-bred guests come and go, the more she suspects that something about this perfect re-creation does not ring true; the past, she reflects, cannot really be brought back to life. Among the visitors are a daring, much-married adventuress, a sheltered young heiress, an absent-minded clergyman whose movements grow oddly difficult to trace, and assorted figures whose presence seems too neatly arranged. When a guest goes missing and the calm surface of the hotel is broken by violence, Scotland Yard's Chief Inspector Fred Davy begins to ask why so many threads seem to lead back to this one address. As Marple's quiet observations and Davy's patient police work converge, the genteel facade gives way to questions about appearances, deception, and what lies beneath an idealised vision of an older, more orderly age. The result is a measured, atmospheric puzzle that turns nostalgia itself into a source of unease.