While vacationing at a refined London hotel, Miss Jane Marple finds her quiet stay interrupted by a series of unsettling incidents that culminate in a calculated murder. Miss Marple must navigate the polished facade of Bertram's Hotel, where the staff and guests maintain an air of impeccable tradition that masks darker intentions. She faces the challenge of identifying a killer among a group of individuals who possess both clear motives and airtight alibis. The narrative unfolds through a third-person perspective, emphasizing the contrast between the hotel's nostalgic atmosphere and the modern criminal activity occurring within its walls.

This novel is widely regarded as a sophisticated entry in the Miss Marple series, noted for its clever subversion of the cozy mystery trope. Readers and critics often highlight the atmospheric depiction of the hotel as a central strength that elevates the narrative beyond a standard whodunit. The work is frequently praised for its commentary on the shifting cultural tides of the mid-twentieth century, which adds a layer of depth to the traditional puzzle-solving structure. It remains a staple for those who appreciate the methodical, character-driven approach that defines the author's most enduring detective stories.