The police officers David Förster and Anne Peters are sent to an emergency call - a man feels threatened. The operation escalates and Anne is critically injured. When the Bremen chief inspectors Inga Lürsen and Stedefreund arrive, David and the man have disappeared. Evidence indicates the man was murdered . The Bremen chief inspectors find out that David and Anne have unexpectedly disrupted the activities of a criminal clan. When David reappears, he dodges questions about what happened. Does the clan have anything against him? The chief inspectors get caught up in a web of violence and threats.