SOKO Donau is an Austrian television series.

A man who accused a catholic bishop of abusing him when he was a child dies in the Austrian city Salzburg. Everyone except his widow and the eccentrical detective Simon Brenner keeps silent and believes that the man killed himself.

Nikki Moser, a blond womanizer, made a deal with the burgomaster. He gave him money to buy a hotel, and for this Nikki should marry his daughter Marianne. And the catch is not even that the daughter of the Bavarian city head is a mulatto, but the fact that Nicky does not want to be bound by marriage to anyone. Buddy Tony throws the poor guy the idea of ​​taking a loan, giving money to the burgomaster and sending him away with his daughter. However, to say is not to do. To knock out a loan is a complicated matter.

Otto runs a hotel for tourists in Tyrol but has troubles both with the economy and with his wife Olga. After a trip to Stockholm he imports three Swedish blondes who eventually save Otto from disaster, both marital and financial.