Georgy Hillmaier, single again, returns to Vienna after a long stay in Thailand. Completely penniless, without a job or place to stay, he ends up on the street until he learns that he has meanwhile become a father. In order to pay off the overdue alimony, Georgy has to get back into the call boy business in a brothel exclusively for women, run by his sister Gitti.

SOKO Donau is an Austrian television series.

These are the stories of relationships taking place in the fictional five-star hotel Fürstenhof, located in Feldkirchen-Westerham near Rosenheim with the plot revolving around members of the family room area, the hotel owners, and employees.

Smart financial advisor Katrin is desperately looking for a way to escape Christmas in her family's lap. And that seems to be coming up soon. In the all-rounder Max, with whom she shares a pronounced aversion to the festival of love, and his dog Kurt, she finds the right companions to implement a sophisticated master plan. Unfortunately, not everything goes according to plan.