Documentary series about the fall of a notorious and feared Brabant caravan family. The series follows a secret investigation by the police and the judiciary into Martien R. and his family, who are involved in organized drug crime, arms trafficking and money laundering. For a year and a half, the police watched and listened in places where the family felt completely unobserved. For the first time, the police and the judiciary talk about the investigation. But other parties involved, including a number of suspects, also have their say.