The body of a woman is found in a fishing hut on a frozen lake in far northern Sweden. She has been tortured, but the killing blow was clumsy, almost amateur.
The body is quickly identified, raising hopes of an open-and-shut case. But when a six-month-old suicide is disinterred, Rebecka Martinsson and Anna-Maria Mella find themselves investigating corruption at the heart of one of Sweden's biggest mining companies - one with powerful enemies of its own...