A male body is found in the Steyr breakthrough reservoir. The police officers of the LKA Linz do not think about suicide. Shortly afterwards it turns out that the dead man is the man who killed Sepp Ahorner's wife and daughter in an accident and who Sepp had been looking for for years.
During a joint operation by Czech and Austrian police officers against an illegal rave party in the border forest, young Austrian policewoman Johanna tragically dies and a Czech drug dealer named Sicilian disappears mysteriously. A rookie cop refuses to let the killer of his colleague go unpunished.
