The team is taken to the edge of reality following the death of a participant in a magical ritual invoking a demon. Is there a supernatural cause for the murder, or is there a much more earthbound explanation?
Lucienne is forced to confront painful memories buried in her past.
Has the suspect from Van der Valk’s past started killing again? Or is it someone else?
The present-day murder of a museum employee links back to a case from Van der Valk's past.
