Witness. Victim. Or Killer? Tana French meets The Silent Patient in this atmospheric mystery by #1 Irish bestseller Jane Casey, author of The Killing Kind.

Ruth and Maura arrive at an idyllic clifftop cottage on the Irish coast overlooking the Atlantic. But when Ruth wakes up alone, covered in someone else’s blood, with Maura nowhere to be found, their holiday turns into something terrible.

At first, she won’t speak. But a young detective, Farell, freshly transfer from Dublin finds a way to connect. Then a name comes: Ruth. And a story about her missing friend: Maura. Ruth says the pair fought in the days before Maura disappeared. But the locals say they only ever saw one woman.

Is Ruth’s version of events the whole story? Is she the victim of a crime, its witness, or is her involvement more sinister?