From the introduction: A murder: "Three years ago, the Minister of the Interior in Schleswig-Holstein, Hans Peter Bull, died in a fire in his home in Flensburg. Police don't believe it was accidental." Two local civil servants... "Welcome to Flensburg. I'm Ernst Eckhart and this is my colleague Eva Schuster." And four special police officers... "My name is Commissioner Schumann, leader of the Federal Police Murder Commission. These are assistants Fischer, Segeberg and Neuhofer. We're taking the case from here; you two will be subordinate to our lead." A fight against the clock has begun ...