Detective Patrik Hedström tackles his toughest investigation yet when a string of suspicious deaths points to a potential serial killer who has turned his eye toward Fjallbacka and her dark forests, where two children vanished decades before.

"Christian Thydell's dream has come true. His debut novel, The Mermaid, has been published to rave reviews. So why is he as distant and unhappy as ever? When crime writer Erica Falk, who helped Christian discover and develop his talents, learns he has been receiving anonymous threats, she investigates not just the messages but also the young author's mysterious past. Then, one of Christian's closet friends, Magnus, goes missing. Erica's husband, Detective...