Two Bosnian Muslim sisters, Samira and Jasmina Blekic, seek refuge in England after war ravages their homeland. They work in menial jobs and attract no notice until the elder sister, Samira, is found in an abandoned building, sadistically tortured and murdered. The coroner finds some of the torture scars were only days old but many were over a decade old. D. Super Tennison is so passionate about resolving this case, she takes it out of the hands of the DCI she put in charge. If Jane and her team can get to the bottom of old hatreds and past conflicts, and find Duscan Zigic, their prime suspect, they might be able to save the younger sister, Yasmina. But, are Jane Tennison's cases ever simple?