Three years ago, Detective Saga Bauer received an ominous postcard describing a gun and nine white bullets --- one of which was intended for her partner, Detective Joona Linna. The sender alleged that Saga was the only person who could save him. But as time passed, the threat faded. Until now. A sack with a decomposing body has been found hanging from a tree in the forest. A milky white bullet casing turns up at the scene. When the body count begins to rise, the police realize that the killer is sending riddles, offering them the chance to stop the murders before they happen. But the police always seem to arrive a moment too late. As they begin to close in, the case becomes more and more tangled: someone is spinning a fiendishly intricate web, pulling Joona ever closer to a trap he may not be able to escape.

Sixteen-year-old Jenny Lind is kidnapped in broad daylight on her way home from school and thrown into the back of a truck. She’s taken to a dilapidated house, where she and other girls face horrors far beyond their worst nightmares. Though they’re desperate to escape, their captor foils every one of their attempts. Five years later, Jenny’s body is found hanging in a playground. As the police are scrambling to find a lead in the scant evidence, Detective Joona Linna recognizes an eerie connection between Jenny’s murder and a death declared a suicide years before. And when another teenage girl goes missing, it becomes clear to Joona that they’re dealing with a serial killer --- and his murderous rampage may have just begun.

All across Europe, the most ruthless criminals are suffering gruesome deaths. At first, it seems coincidental that their underworld affiliations are finally catching up to them. But when two of the victims are found to have disturbing connections to Detective Joona Linna, it becomes clear that there’s a single killer at work. Still, police are reluctant to launch an investigation. If a mysterious vigilante is making their jobs easier, why stand in his way? Joona, however, is convinced that these deaths serve a much darker purpose. Desperate for help, he turns to Saga Bauer. If his hunch is correct, she’s one of the few people who stands a chance at bringing this criminal mastermind down. But Saga is fighting her own demons --- and the killer knows just how to use them to his advantage.

A masked stranger stands in the shadows. He watches his victim through the window. He will kill him slowly --- make him pay. Soon the Rabbit Hunter has claimed another three victims. This predator will stop at nothing to reap his ultimate revenge. It’s up to Joona Linna and Saga Bauer to untangle one of the most complex cases of their career, and follow the killer’s trail of destruction back to one horrific night of violence.

The Swedish National Crime Unit receives a video of a young woman in her home, clearly unaware that she's being watched. Soon after the tape is received, the woman's body is found horrifically mutilated. With the arrival of the next, similar video, the police understand that the killer is toying with them, warning of a new victim, knowing there's nothing they can do. Detective Margot Silverman is put in charge of the investigation, and soon asks Detective Joona Linna for help. Linna, in turn, recruits Erik Maria Bark, the hypnotist and expert in trauma, with whom Linna has worked before. Bark is leery of forcing people to give up their secrets. But this time, Bark is the one hiding things.

An emaciated young man named Mikael is found wandering outside Stockholm. Thirteen years earlier, he and his younger sister went missing, presumed to be victims of Sweden’s most notorious serial killer, Jurek Walter, who is now serving a life sentence in a maximum-security psychiatric hospital. But Mikael tells the police that his sister is still alive and being held by someone he calls the Sandman. Detective Joona Linna sacrificed everything to capture Jurek, but he always thought that Jurek had an accomplice. Any chance of rescuing Mikael’s sister depends on getting Jurek to talk, and the only agent capable of this is Saga Bauer, who will have to go deep undercover and find a way to get to the psychopath before it’s too late.

Flora Hansen calls herself a medium and makes a living by pretending to commune with the dead. But after a gruesome murder at a rural home for wayward girls, Hansen begins to suffer visions that are all too real. The only member of the police force who believes her is Detective Inspector Joona Linna. The case seems obvious at first, but as Linna refuses to accept easy answers, his search leads him into darker, more violent territory, and finally to a shocking confrontation with a figure from his past.

On a summer night, police recover the body of a young woman from an abandoned boat. The next day, a man turns up dead, hanging from a lamp hook. Detective Inspector Joona Linna begins to piece the two mysteries together, but the logistics are a mere prelude to a dizzying and dangerous course of events.

In this spellbinding international bestseller, a murder leaves only one route to the killer.