Between apathy and aggression, the Palatinate broods in the summer heat. Nerves are frayed, not just for criminal investigator Bettina Boll. For the worry-worn policewoman, whose seriously ill sister has vanished without a trace, the body in the quarry is a welcome distraction. The investigations lead to the "usual suspects" from the container settlement at Galgenhübel: dropouts, outsiders, the confused. Bettina Boll's research uncovers various criminal activities and dark desires. But what motive is sufficient for a murder?.