One frozen January morning at 5am, Inspector Wallander responds to what he believes is a routine call out. When he reaches the isolated farmhouse he discovers a bloodbath. An old man has been tortured and beaten to death, his wife lies barely alive beside his shattered body, both victims of a violence beyond reason. The woman supplies Wallander with his only clue: the perpetrators may have been foreign. When this is leaked to the press, it unleashes racial hatred.