Zwei Seiten des Abgrunds S01E05 - Am schwärzesten Fluss der Welt

Luise can hardly believe it: Dennis is actually arrested. Merle's death seems to have been atoned for and Josi thinks she's safe. But due to a lack of evidence, Dennis is released, he lies in wait for Josi and blackmails her with a sex video. Josi realizes that no one will understand that she - albeit unknowingly - got involved with her sister's murderer. She then flees to Belgium with Dennis.