Franka is puzzled as to why police officer Lukas König took his own life on the anniversary of the rampage. Franka researches the background, but her investigations initially lead nowhere. Lisa is also in shock - she had a violent seizure and was found by her classmate Leon. She wants to talk to Leon about it as quickly as possible and asks her classmate Davi, who adores her, for Leon's address. On the way to Leon she has another ominous encounter.