"Bury Your Dead" is a gripping mystery novel that intertwines three separate storylines. Chief Inspector Armand Gamache is haunted by a previous case gone wrong while he investigates a murder in Quebec City. Simultaneously, a historian delves into the history of the city, unearthing secrets that could change its perception forever. As the two narratives unfold, the past and present collide, revealing shocking truths and forcing Gamache to confront his own demons.

A young woman becomes obsessed with a seemingly perfect couple she often sees at a café. When the husband is brutally murdered, she gets entangled with the widow and a mysterious man who knew the couple, leading her to question everything she thought she knew about love, death, and fate. As she delves deeper into the circumstances surrounding the husband's death, she is forced to confront unsettling truths about the nature of human relationships.

In "The Troop," a group of Boy Scouts and their scoutmaster embark on a routine camping trip to a remote island off the coast of Prince Edward Island. However, their adventure takes a horrifying turn when a bioengineered, parasitic worm infects one of the scouts. The parasite rapidly spreads among the group, driving them to madness and violence as they struggle for survival. The novel delves into themes of human nature, the corruption of innocence, and the terrifying consequences of scientific experimentation gone awry, all while maintaining a tense and claustrophobic atmosphere.

This gripping novel unfolds in the misty and myth-shrouded Baztan Valley of Navarre, Spain, where a detective returns to her hometown to investigate a series of eerie murders. The victims, teenage girls, are found in a state that suggests ritualistic killings, drawing the detective into a complex web that ties the present crimes to her own troubled past. As she delves deeper, local superstitions and family secrets emerge, challenging her rational beliefs and forcing her to confront the possibility that the answers she seeks might be as intangible as the mythical Basajaun, the invisible guardian of the forest. The story masterfully blends elements of crime, folklore, and psychological thriller, creating a suspenseful narrative that keeps the reader guessing until the very end.