Summer, 1993. In the aftermath of her mother's suicide attempt, 16-year-old Prue must spend the summer holidays on a remote island in the Shetlands with her favourite Aunt Ruth and Uncle Archie, a man she's barely met since her aunt married him. Prue hopes to re-establish the relationship, and that her aunt might help her understand some of the parts of the past she has been forbidden to discuss by her mother - including the identity of her father.Prue soon finds out her uncle was the only suspect in the disappearance of a local girl some twenty years ago. As she grows closer to him, she learns there are different views on how the beguiling Evelyn O'Hara disappeared, but is he innocent?A single version of the truth seems impossible to lock down, and the truth is something Prue has a fractured relationship with.