Reporter Freya Sinclair has always known she was different. While waiting on the outcome of an autism assessment, Freya uproots her life in Glasgow, quitting her job at one of Scotland's top broadsheets and taking a local beat in her childhood home of Orkney. But her plans for a quiet life are shattered when human remains are exhumed by a winter storm on Orkney's wild Atlantic coast.

The identity of the bones opens old wounds in the islands, and sheds light on a darker truth nobody wants to accept. As the nights draw in, Freya's obsessive hunt for answers turns into a cat-and-mouse game, with each secret she unearths threatening her job, compromising her family, and exposing new victims to a killer who's watching from the shadows...