Street artist Sebastian Störmer was beaten to death in early morning, found besides his latest drawing in an arcade. Sven Hansen and Florian Prantle learn it's a former police robot picture draftsman, who resigned discredited although popular in the precinct. Tobias Hartl hasn't solved any cases yet, but now contributes a crucial observation, as some of Basti's drawings worried bank robbers.
—KGF Vissers