Maria tries to come to terms with an unpleasant truth about Max. Her father also surprises her with an unexpected confession. Even the unwanted psychological advice from dog trainer Hakan doesn't help. And Ralf also has to deal with some bad news that changes his entire life - he gathers the whole family together for a big dinner...

After the scandal at the wedding, Maria flees to Cologne to talk to the publisher about her book idea. After a promising start, however, the conversation goes completely off the rails. Just a few streets away, Ralf says goodbye to his daughter Lily as she embarks on her future life as a student. A fateful coincidence?

Maria and Ralf try to understand what happened in Cologne. Meanwhile, Marburg is preparing for the city festival and a big comeback: The legendary Chaos-Pendulum is back! The ride on which Maria and Ralf almost met years ago. The brilliant finale?