On Midsummer's Eve, three role-playing teens dressed in 18th-century garb are shot in a secluded Swedish meadow. When one of Inspector Kurt Wallander's most trusted colleagues, someone whose help he hoped to rely on to solve the crime, also turns up dead, Wallander knows the murders are related. But with his only clue a picture of a woman no one in Sweden seems to know, he can't begin to imagine how.

On the Swedish coastline, the bodies of two victims of grisly torture and cold execution are discovered in a life raft. With no witnesses, no motives, and no crime scene, Detective Kurt Wallander is frustrated and uncertain that he has the ability to solve the case. After the victims are traced to Latvia, Major Liepa of the Riga police takes over the investigation. Thinking his work is done, Wallander slips back into his routine - until he is suddenly called to Riga and plunged into an alien world.

It was a crime of senseless violence. On a cold night in a remote Swedish farmhouse, an elderly farmer was bludgeoned to death, his wife left to die with a noose around her neck. As if this didn't present enough problems for Ystad police inspector Kurt Wallander, the dying woman's last word, his only tangible clue, were foreign. If publicized, they could be the match that would inflame Sweden's already smoldering anti-immigrant sentiments.

The execution-style murder of a Swedish housewife looks like a simple case, except that there is no obvious suspect. Wallander follows a lead on a determined stalker. But when his alibi turns out to be airtight, Wallander begins to realize that what seemed a simple crime of passion is actually far more complex and dangerous. Eventually, his search uncovers an assassination plot, and Wallander soon finds himself in a tangle with the secret police and with a ruthless foreign agent.

While tracking a demented serial killer, Detective Kurt Wallander is beset with obstacles: a department distracted by the threat of cutbacks and the frivolity of World Cup soccer, a tenuous relationship with a widow, and an unshakably haunting preoccupation with a girl who set herself on fire.