Richard commits suicide. But Dr. Reichwein, who was counseling Richard, is suspicious of the circumstances of Richard's death and begins an investigation himself. Dr. Reichwein is attacked by hoodlums who try to interfere with his investigation.

Lotte has feelings for Schuwald's son, Karl, but lately, Karl has been busy working with his father, so he hasn't had any time for her. In the college library, Lotte meets Nina, who is doing research because she suspects that the recent events surrounding Schuwald are the work of her brother, Johan. Tenma tries to kill Johan in a forest.