Astrid Lutz, dog trainer from Berlin, knows the benefits of the friendship between humans and dogs, however is also aware of the difficulties they can encounter. Humans become very close to their best friends - with all their ups and downs.

They had missed out on it, the magical summer following graduation. Now, twenty years later, they want to make good their promise: their favourite band from back then is back on tour.

Gundula and Gerald are spared nothing. They have only just recovered from their eldest son's cancelled wedding, when an old-fashioned camper stops at the house opposite.