Still grieving her mother’s death, forensic psychologist Kamilla Brim has sworn off criminal investigations. But when the prosecution seeks her expertise in the case of Atli Finn — a young man accusing his stepmother of sexual abuse — she is drawn back in. As she works with the police, and with lawyer Gísli, the case becomes a devastating battle of credibility and manipulation. Kamilla becomes convinced the young man is telling the truth, yet the case collapses for lack of evidence. Isolated and consumed by guilt, Atli takes his own life, while his abuser walks free. Meanwhile, Kamilla’s feelings for Gísli threaten her relationship with Thomas, and her late mother’s letters reveal fragments of a long-buried family secret.