The corpse of a woman with a hit on the head has been found in the Isar River: the police found a notebook with erased writing and a leaflet of a climbing school.the team goes to the climbing school where they meet Eric Du Boiis, Marco Verlinden and Birgit Verlinden: they recognize immediately Lisa Werner and tell that yesterday Lisa and Clara Werner came to the climbing school and that Lisa wanted to speak with Marco.
—zutterjp48