The discovery of a childhood friend's body in a frozen bathtub forces writer Erica Falck to confront the dark secrets hidden beneath the surface of her quiet Swedish hometown. Erica returns to Fjällbacka to settle her parents' estate, only to be pulled into the investigation of Alex Wijkner's suspicious death. As she begins researching a memoir to process the tragedy, she finds herself at odds with the local community's desire to maintain appearances. She eventually aligns with detective Patrik Hedström, whose methodical police work provides a logical counterpoint to her intuitive, personal approach. Together, they navigate a web of long-buried secrets that threaten to dismantle the town's fragile social order.

This novel is widely recognized as the foundational work that established the Fjällbacka series and solidified the author's reputation in the Nordic noir genre. Critics often highlight the effective balance between the domestic, character-driven elements of Erica's life and the procedural rigor brought by Patrik Hedström. The narrative is frequently praised for its ability to expose the unsettling undercurrents of a seemingly idyllic community. Readers tend to appreciate the atmospheric prose and the methodical way the mystery unfolds, making it a staple for those interested in Scandinavian crime fiction.