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?
Ralf is on the lookout: who is the mysterious woman who always writes on his car? After a misunderstanding, he suddenly has a dog and a date with a stranger that takes a completely unexpected turn. Maria also has a date - and gets carried away with an act that ends the day in disaster.
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...