Adult roofer Franz Reitenauer was found by two young colleagues, fatally stabbed at night in employer Roderich Küfner's workshop. Shy apprentice Markus Deininger shows little fake sympathy, having been pestered by Reitenauer, as testified by his protective mate Felix Henke, whose mother, a judge, provides a false alibi, being blackmailed for fleeing from a car crash site. Forensic firm accounting shows Küfner's major insurance fraud. Secretary Stockl speculates all over the precinct what the D stands on the golden ring with blue gem which forensic pathologist Dr. Eckstein lost in a dispensable glove during the pre-autopsy autopsy on site.
—KGF Vissers