S13 • E12 Dec 10, 2013 45m
6.9
Günter Zeller is found poison-murdered in a pool at the gardening firm he runs with his sister Petra Schwarz, who was negotiating a landscape with police chief Achtziger. Obvious enemy was grumpy, vandalizing neighbor Karl Sonnleitner. Both firm and family were in trouble, also due to adultery, and the team takes a special interest into filing for a filter system patent.
