The death of a successful businessman is quickly followed by the murder of an aging prostitute, but no one can connect the two; a third killing catches Van der Valk's attention.

Someone is leaking vital information from Amsterdam police headquarters, and three cases are bungled as a result; Van der Valk's son, Wim, was the only one to have worked on all of the cases, which draws questions.

A Dutch government minister is found murdered, but all of the identification on the body is in a different name, which suggests that the minister was about to flee the country.

The murder of a comedian from the Red City Nightclub puts Van der Valk one step behind.

Van der Valk must resolve the murder of a former judge as he discovers a network of connections between all levels of Amsterdam society.

Van der Valk must outwit the kidnappers of a prominent businessman and his son.