I'll make a better mistake tomorrow

Elli, along with her six-year-old daughter Paula and her perpetually grumpy great-uncle Heinz, is on her way to a family celebration in Allgäu. However, when a lawyer named Cano offers her five hundred euros to drive him to Munich, she agrees, because you can never have enough money. The journey, however, proves to be a real challenge for the mismatched quartet. Heinz finds fault with everything, and Cano's arrogance infuriates Elli. In the process, Elli and Cano, the queen of chaos and the stickler for rules, unexpectedly grow closer than they would like…