Summary To Bernd Reuther's surprise, contractor Iris Steinwalk, whom he had a an appointment with to order a floor, dies in a car crash due to sabotaged breaks. Iris's daughter and firm heir, student Diana, is shocked, having lost her father years ago when he moved to Thailand bet kept contact by mail behind Iris's back. Neighbours Robert and Gaby Limmer support her but were part of the local hostility against Iris's business, which is believed to have caused asbestos poisoning, including some asthma patients among them. None is found however in the shed she furiously banned even Diana from entering. Mayor Blobel, Bernd Reuther's failed study mate, is found out in public works bribery involving Iris. Schubert first suspects as saboteur neighbor Lukas Gehrke, a car mechanic, then his simpleton son Bruno. A pair of tickets to Thailand sets Bernd's team on theory the father didn't just leave and may be the key.

• Crime
• Drama