Overview: As police investigate the bizarre and brutal murder of alluring singer Katharina Läufer, five of her former classmates reunite at her funeral.
Overview: A missing persons case linked to the boarding school is reopened. When the friends play a strange game, tensions between Butsche and Roman boil over.
Overview: The detectives make a gruesome discovery. At the brothel, Butsche bonds with Pearl's daughter, Elsie. Nadja learns about the group's shared obsession.
Overview: Butsche visits Elena for help with Elsie, angering Roman once again. Nadja drops a bomb on Grünberg and tests a provocative hypothesis about Katharina.
Overview: Elena seeks safety in an unlikely place, Roman exacts revenge, and secrets from the past surface as Nadja interviews Merten Brodmann's mother.
Overview: When another victim turns up, the police zero in on a suspect. Nadja's lingering doubts -- and a tip from Köhler -- lead to a shocking confrontation.