Holger Wendorff and his girl friend Barbara have spent some very nice days together in a little hotel in the countryside.Suddenly they begin to disagree and to reproach each other.Barbara prepares her suitcase and is trying to go the the next bus station.Holger arrives and catches her and they go away in the car of Holger.From then Barbara has disappeared.In a marshland the police finds the car of Holger and also some things belonging to Barbara.It seems then that Barbara has been murdered somewhere.But The Old Fox is not totally convinced about it.Besides Axel Bonte , a man who hires grounds to Hella Wendorff (the mother of Holger) declares to the police that he has a love affair with the girl and that he has been with her yesterday.However the commissioner has some doubt about this testimony.
—zutterjp48