Chief Inspector Armand Gamache of the Sûreté du Québec is called to investigate the death of a villager at an Easter séance that was held at the Old Hadley House.

"When Kristi Stewart inherits a property in the old part of Savannah, she knows it comes with stories of hauntings. But she doesn't believe in ghosts, even while she runs seances for the guests of McLane House Bed-and-Breakfast. Until the inexplicable midnight appearance of one of her infamous ancestors. Terrified, she flees into the night - and right into the arms of Dallas Wicker. In Georgia undercover for the Krewe of Hunters, FBI agent Dallas...

"It's 1956, and Lee Plunkett has taken over the family business as a private investigator despite his reluctance to follow in his father's footsteps. When murder intrudes on a group of ghost seekers, Lee is asked to solve the case by a cop on the verge of retirement. At the urging of his perpetual fiancée Audrey, Lee enlists the help of Mr. O'Nelligan, a scholarly Irishman with a keen eye for solving mysteries. The duo is drawn into a murder investigation...

Winter 1917. As the First World War enters its most brutal phase, back home in England, everyone is seeking answers to the darkness that has seeped into their lives. At Blackwater Abbey, on an island off the Devon coast, armaments manufacturer Lord Highmount has arranged a spiritualist gathering to contact his two sons, both of whom died at the front. Among the guests, two have been secretly dispatched from the intelligence service: Kate Cartwright,...

At the Barbary Asylum for Female Orphans, eleven-year-old Maud is adopted by three spinster sisters moonlighting as mediums who take her home and reveal to her the role she will play in their seances.

A cynical, self-absorbed novelist sets out to expose a fake medium and ends up with the amorous ghost of his first wife on his hands.