December 1899. After the death of her beloved grandmother, Cleopatra Fox moves into the luxury hotel owned by her estranged uncle in the hopes of putting hardship and loneliness behind her. But the poisoning of a guest on Christmas eve throws her new life, and the hotel, into chaos. Cleo quickly realizes no one can be trusted, not Scotland Yard and especially not the hotel’s charming assistant manager.

Fiona, Sue, and Daisy, three retired ladies who volunteer at the local charity shop, Dogs Need Nice Homes, can’t believe their favorite customer is dead. Eighty-six-year-old Sarah Brown was found murdered in her hallway by her delivery man, a domino clutched in her hand—with a name scratched on it. When another person is found dead with a domino in their hand, and with the police making no progress, the ladies will need to help unmask a serial killer. At least they have Fiona’s scruffy-haired terrier cross to assist them.

When Gavin travels to Edinburgh with his good friend Oscar Barratt, he’s eager to acquire a centuries-old book on witchcraft for the soon-to-open Glass Library. Even with ruthless railroad magnate John J. Defoe in the bidding, the victory comes easily. Perhaps too easily. Hours later, the book is stolen. A single clue links the theft to the recent abduction of two women, both magicians.

The king's magnificent palace was built in a matter of weeks. No one saw the builders, no villagers are allowed beyond the gilded gate, and only one servant has ever left. The haunted look in her eyes as she was recaptured by the palace guards is something Josie, daughter of the village doctor, has never forgotten. For Josie, the palace is a mystery that grows more intriguing after she meets the captain of the guards, a man known only as Hammer, as mysterious and captivating as the palace itself. Whispers of magic fuel Josie's desire to uncover the truth, but an ordinary girl like her can only dream of ever being invited inside.

Edinburgh, 1911: When Maud McIntyre and her lady’s maid, Daisy, form a detective agency, they never dream their first case will take place at a glamorous house in the Scottish Highlands. But when the duchess of Duddingston, concerned that a notorious jewelry thief will target her lavish weekend party, employs Maud to go undercover as a guest to find the culprit, the agency has its first case to solve....