At 1:15 a.m, a Minnesota political fixer answers his doorbell. The next thing he knows, he's waking up on the floor of a moving car, lying on a plastic sheet, his body wet with blood. When the car stops, a voice says, "Hey, I think he's breathing," and another voice says, "Yeah? Give me the bat." And that's the last thing he ever knows. Lucas Davenport is investigating another case when the trail leads to the man's disappearance, then--very troublingly--to...