Miss Willoughby is an educator and keen adventurer, an heiress to a family fortune who, along with her ex-forces butler, Robert, and cheeky but reliable Jack Russell, Bentley, gets pulled into mystery and adventure surrounding a haunted antique bookshop.

Mott the angel is sent on a holy mission in London and Bucharest. In his search for a mysterious saint, he encounters a world that sends him off course and forces him to face his true identity.