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 wealthy industrialist wants to buy little Rex, but the Antonius family, who bred him, turn him down. So, without further ado, he has the puppy kidnapped. But Rex, of course, isn't stupid and manages to escape his kidnappers. With his last ounce of strength, he drags himself to Joe Felsner's farm and befriends his grandson, Benny.

Sophie "inherits" her uncle's preserved whale and finds out that whoever sleeps in the whale's belly with her will be granted one wish, causing chaos and hatred in the village.

Georg, who is happy with his job as a scientist, with his loving wife and with his three children, hears one day that an accident has happened in a chemical plant nearby. All of a sudden, he finds himself face to face with one of the victims. The man, whose face has been eaten away by the sour gas that escaped from the plant, is staring at him in despair. Does Georg really see the man or is this a mere hallucination? Is he becoming insane or is he more alert to the dangers of the world than the common man?