Detective Sergeant Harbinder Kaur investigates the seemingly unsuspicious death of a ninety-year-old woman with a heart condition who had a very extensive collection of crime novels, each one dedicated to her and each containing a mysterious post-script.

Pandemic lockdowns have Ruth Galloway feeling isolated from everyone but a new neighbor--until Nelson comes calling, investigating a decades-long string of murder-suicides that's looming ever closer. Three years after her late mother's death, Ruth is finally sorting through her things when she finds a curious relic: a decades-old photograph of Jean's Norfolk cottage with a peculiar inscription. Ruth returns to the cottage to uncover its meaning as...