Thorhildur's confession to Asgeir brought a new sense of hope, but with everyone chasing down different leads and being too busy to speak to each other events take a catastrophic and disturbing turn. When everyone recovers from the shock, tracking down the killer has become not just a matter of public safety, but a personal vendetta. Meanwhile Andri has to contend with keeping Thorhildur safe. Now she has handed the police the lead they so desperately needed, he must get her out of town before the killer realises what has happened.