Schrotti's youth friend, used cars salesman Moritz Grolmann, was skull-smashed. Two homeless youths are suspects, spotted lurking by Wally Müller, a neighboring competitor, hence also has a motive. Young Julian Frey is caught for questioning, his girl friend Sam Fitz escapes long, until Jo Stoll finds her visiting Schrotti, as her late mother revealed he or long-estranged Moritz is her biological father.
—KGF Vissers