By knocking down a drunken brawler, Max rescues Aylin and Bernd from a precarious situation. Bernd suddenly sees his 'brother-in-law-to-be' in a completely different light. However, Max's true identity remains shrouded in mystery. When Bernd sees a boxing poster announcing a boxer with the name 'Mad Max', the case is clear to him: his sister's new boyfriend is a boxer. But why does Max tell Melanie that he is with the Philharmonic? ... Again and again, Antonia is reminded of the fake phone call. For her and Marc, it is clear that only Laura can be behind this meanness. Eventually, Antonia uses deliberate provocations to persuade her to admit her guilt. In the ensuing confrontation with Irene, Laura denies everything and infuriates Irene so much that she slaps her in the face ... The telephone recordings in the shared flat are successful. A call from the psychopath is recorded on tape. But Bröcking cannot order police action due to the scanty evidence. Corinna also wants to act without the police, and Chris can only tell Bröcking that she is already setting a trap for the perpetrator. Corinna loudly announces in her seminar that she is going to the Roman forest. In the forest, events come thick and fast. Suddenly, Corinna is in grave danger. Bröcking wants to come to her aid, but it's too late.