Two young women are hitchhiking when they get picked up by a man who proceeds to sexually assault them. He disappears after that. The suspicion that the „girls" - having a reputation of being "loose" when it comes to sex - killed him, begins to grow.

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.

A police department, lead by an older, experienced detective solve crimes together.

A police department, lead by an older, experienced detective solve crimes together.