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.
Austrian aristocracy, in order to get their supply of drugs flowing freely, associate with anarchist youths to plan a revolution against the socialist government.
When the owner of a fish store dies unexpectedly, a dispute breaks out over his inheritance. The youngest son continues to run the unprofitable store, while the second son and his mother want to sell it and invest the money in their multimedia business in Hamburg. When the young fishmonger falls in love with a pretty student, the cards are completely reshuffled.
