An original thriller from bestselling author Christopher Fowler that reinventing the haunted house story.

There are two things you need to know about haunted houses. One, there’s never been an actual authenticated haunted house. Two, it’s not the house that’s haunted, but the person.

Callie is a young architectural student who marries Mateo, a wine importer, and moves to a grand old house in Southern Spain. Hyperion House is flooded with light, it also has a mute gardener, a sinister housekeeper and a sealed, dark servants’ quarters that nobody has the keys for. And although initially happy, and taking care of Mateo’s daughter, Callie can’t help being drawn to the dark empty rooms at the back of the house, and becomes convinced that someone is living in there.

Uncovering the house’s history, she discovers the shocking truth. As Callie’s fear of the darkness returns, she comes to understand the true nature of evil…