In German with English subtitles. The owner of a local winery dies of a heart attack. During his autopsy it is discovered that his pacemaker was affected by an external source. Suspecting foul play, Richard and Rex investigate the workers at the winery. And soon uncover a sinister plot of jealousy and revenge.

In German with English subtitles. The body of an illegal immigrant is found in a dumpster at a rest stop outside of Vienna. Rex leads Richard and Stocki to the local dump where they make a grisly discovery: the dismembered bodies of two more illegal immigrants, both missing their kidneys. But when Richard is captured by the dubious organ harvesters, it's up to Rex to save the day.

In German with English subtitles. Richard and Stocki are called to the apartment of Mrs. Gerbauer, where they discover signs of a violent struggle. They soon discover she was one in a string of old ladies who have gone missing along with their valuables. With the investigation at a standstill, Richard uses his cunning, and Rex, to track down a missing suspect.

In German with English subtitles. With the aid of a friend, a prisoner makes a violent escape from the dentist. However, his rescuer is wounded and left behind. Fleeing from the police, the escaped prisoner holds a ballerina class hostage and demands the release of his friend. It's up to Richard and Rex to diffuse the situation and save the day.

In German with English subtitles. A body is discovered in the park surrounding Schönbrunn Palace. A young lady wearing only a fur coat on a frigid Vienna day. As they investigate, Stocki questions a witness who indicates the groundskeeper. But despite his criminal record, Richard remains unconvinced and enlists Rex's help to investigate a local dentist with ties to the dead woman.