On the night before Halloween, security guard Wiebe and his crew are assigned to watch an empty amusement park. Little do they know, they are not alone.
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.