Former Amsterdam police detective Floris Wolfs has been transferred to the police department of the south-Dutch country town Maastricht. His metropolitan experience nicely complements the local expertise of his new country colleagues, who know the folks. Slowly he fits in, while solving countless crimes together with his female partner Eva van Dongen.
The series follows criminology professor Mia van der Linden who chooses a small group of students to solve cold cases. But during their work they come across a case that they are suddenly no longer allowed to investigate by higher authorities. The group of students must use the law cunningly to find justice.