A young girl vanishes from the same spot where another child disappeared thirty years earlier, forcing the community of Fjällbacka to confront a buried, traumatic history. Detective Patrik Hedström and writer Erica Falck navigate the intersection of past and present as they attempt to uncover the truth behind the disappearances. The narrative shifts between the current investigation and the historical events of the 1980s, creating a layered mystery that tests the resilience of the small coastal town. As the investigation deepens, the protagonists face resistance from locals who prefer to keep the past undisturbed, while the physical isolation of the Swedish woods complicates their search for evidence.

This work is widely regarded as a quintessential entry in the Scandinavian noir genre, noted for its ability to weave complex historical mysteries into a contemporary police procedural framework. Readers often highlight the author's skill in maintaining a dual-timeline structure that keeps the suspense consistent across decades. The atmospheric depiction of the Swedish landscape serves as a central element that enhances the feeling of unease throughout the narrative. Critics frequently point to the evolving relationship between the two main protagonists as a grounding force that balances the darker themes of the investigation. The book is recognized for its methodical pacing and its focus on the lingering effects of past tragedies on a small, tight-knit population.