Tied up between her own works of art, Roberta Neuhaus is found strangled. Presumably, it is robbery, because a valuable painting is missing. The first lane leads to the convicted art dealer Nicolai Blago. But when it comes out that the victim acts with counterfeit art, there are new suspects in the focus of the investigation, such as the art expert Kappenstein. Meanwhile, the two investigators Tom Kowalski and Olivia Fareedi come closer.