Jürgen Frenzen catches his wife in bed with Rudi Treitschke whom he scares shooting a blank, but next morning is found fatally shot in the head himself with a Russian military sharpshooter rifle, hard to get by, except for Hansen-Hansen. Frenzen's supervisor calls him a tip-notch food quality inspector, who hinted at a scandal in one of tree firms he recently visited: an industrial bakery, the hen farm of Katrin's former school crush a marmalade-factory. Frenzen's expensive life style on a modest state salary suggests bribery.