Claire is really struggling to get to grips with her new job, and the customers aren't exactly making it easy for her...

At the end of this mini-series on how to play chess, there are a few tips for improving your tactics.

The fourth part of this series focuses on being able to recognize and apply chess tactics. A game in which both sides follow the golden opening rules may be safe, but it will also be boring!

With the help of Schotty's narration, the two men turn Matthis's mind into a less frightening and more joyful place. But Schotty slowly realizes that he's not going to be there much longer.

Matthis begins to despair when he notices that the feeling in his eyelid has suddenly gone. Schotty tries to distract him with a story.

How does Matthis feel about living in a coma? Can he see any upsides to it? An interesting conversation develops between the two men, but Schotty suddenly has to break it off because he has a rather mundane need.

Schotty talks to Matthis, who is glad to finally have the opportunity to ask all the questions that have been bothering him since he first found himself trapped inside his own head.

Schotty, who is claustrophobic at the best of times, wakes up to find himself inside Matthis's head. As he starts to panic, Matthis tries to help calm him down...

Schotty heeds the caregiver's advice and tells Matthis stories from his everyday life. Talking about one soccer game of the 2014 World Cup, he gets so excited that he falls...

Will Mark and his companions continue their ascent? They get an unpleasant surprise that could jeopardize everything...

On his new assignment, Schotty meets a young man who has been in a vegetative state for six years, and his caregiver, who explains why Schotty's services are required today.

When the group learns who is responsible for Wolf's escape and, therefore, for the fact that the expedition has to be called off, everything gets out of control.

The next morning, it's clear that Wolf has run away. Martin is adamant about following the rules and intends to break off the expedition. Lisa tries to convince him not to do that so close to the finish.

All's well that ends well? The missing fiver turns up again, Schotty receives a surprising gift, and, in the end, the only honest person comes off worst...

Having been caught out in the storm and in desperate need of shelter, the two hikers from earlier suddenly burst into the bivouac. They prove themselves to be as disrespectful as ever, and Wolf decides he isn't going to stand for it...