Alarm in Weihersbronn. Radioactive material is lying on a landfill. Just a few milligrams of this nuclear waste can poison the drinking water of an entire region. But hardly has the environmental protection police begun their investigation when a man mysteriously dies in the high-security section of the nuclear power plant - now it's a case for the homicide squad! Together with journalist Hans Kilper, a cynic with a heart, Bienzle starts the investigation. Will they succeed in preventing the catastrophe?.