Katja and Dirk arrive in time to stop Mr. Petri's madness and bring him in to the station. Meanwhile, Lothar finds out the truth about their supervisor.

Canyoning is another popular activity in the Alps, but it isn't for the faint of heart. In a glorious natural setting, the group faces some tough passages and harrowing jumps over waterfalls.

Konstantin, the new temp worker at the pet store, wonders why he's even needed considering how little money the store is making. Meanwhile, owner Johannes uses the store's problems to try to bring his ex-wife Marion – who also happens to be his neighbor – back into his life.

While Dirk bonds with the young runaway, Katja figures out what actually happened at the Harms company.

As autumn approaches, the sheep are brought back to their winter quarters. In this segment, we also see how beautiful the region is in the evenings.

Autumn in the Alps brings with it all kinds of new sights: the woolly sheep are rounded up by their owners, the larches are ablaze in color, the squirrels prepare for winter, and the mating battles are in full force among the stags.

Petri's colleague is arrested, and Petri and his wife make amends. It's time for Julius, the young runaway, to say goodbye to Harry and go home – but Dirk has one last surprise.

Johannes asks his new employee, a psychology student, about love and relationships – but doesn't particularly like the answer he gets in return.

In this video, we get to observe the mating rituals of the chamois, and how a mother protects her young from a fox on the hunt.

When Marion comes by to help Johannes with his taxes, he finds out she's met someone else – news he doesn't deal with particularly well.

To earn some money and help out his injured employee, Johannes visits several families pretending to be Saint Nicholas – and ends up making quite an impression.

The autumn is short-lived in Vorarlberg, and soon the mountain landscape is blanketed in snow. The ibexes are provided with feeding stations to ensure that they survive the winter.

Sascha reveals to Johannes, who is dressed as Saint Nicholas, that his parents are on the verge of separation. Later, Johannes spies on Marion and her new boyfriend at the Christmas market.

While Johannes spies on his ex-wife and her new boyfriend at the Christmas market, Sascha confronts him about the promises he made.

While Sascha's parents continue fighting, he lays out his Christmas list. At the shop, Johannes plots to get Marion back – but it seems as though she's happily moved on.