Shetland: Welcoming. Wild. Remote. Drawn in by the reputation of the islands, an English family move to the area, eager to give their autistic son a better life.

But when a young nanny's body is found hanging in the barn of their home, rumours of her affair with the husband begin to spread like wild fire.

With suspicion raining down on the family, DI Jimmy Perez is called in to investigate, knowing that it will mean the return to the islands of his on-off lover and boss Willow Reeves, who will run the case. Perez is facing the most disturbing investigation of his career. Is he ready for what is to come?