For the first time two antagonists meet in a countryside disco: one is a farmer's son, the other a drug addict singer from Vienna. And then there is her. The fight between the two men for the girl begins in in the city.
Austrian aristocracy, in order to get their supply of drugs flowing freely, associate with anarchist youths to plan a revolution against the socialist government.
Karl lives as a taxi driver in Vienna. Every evening he slowly makes his way from bar to bar until one day his friend, the river, washes up the beautiful Michelle...
After his handler is killed, police dog Rex teams up with recently-divorced inspector Richard Moser to investigate crimes and solve mysteries on the streets of Vienna. And they sometimes get help from their two-legged friend, Inspector Stockinger.