After a whistleblower is murdered under police protection, the team are called in to make sure the second whistleblower makes it to court to testify and take down a criminal empire. Van der Valk is conflicted when he finds out the protection officer in charge of the murdered whistleblower is a former flame of his.
Van der Valk and the team are called in when a scientist researching a potential breakthrough in the treatment of cancer is found dead. Van der Valk’s ex-flame Kalie Tenkers returns to help the team investigate why he was killed and if there is a link is to pharmaceuticals billionaire Freddie Klink.