Pepe apologizes to Nico for his behavior over the past years. Nico calls for a fresh start...

Lisa and Nina talk about their problems. Lisa is dealing with a lot of stress at work and Nina is still unsure whether she wants to keep her baby. What will happen next for the two of them?

Pepe suddenly wants to help Yara with her website after all. But Yara and Nico are sure that something else is behind Pepe's sudden change of heart.

Tarek and Max talk about a new idea for their business. Meanwhile, Selma's father comes in for lunch and tells them about his worries.

The old East German folding bike gets Yara and Nico talking about the fall of the Berlin Wall and the reunification of Germany. What differences were there between East and West Germany?

Nico goes to Yara's bike shop, where she is admiring a particularly old model. Nico is surprised at her enthusiasm, because he thinks the bike looks like a heap of junk. Then Otto, a bicycle collector, joins in the conversation and explains why this particular one is so special...

Selma talks to Lisa's class about her home country, Syria, and her escape from the war. Does she still think about her home often?

The situation seems hopeless. How are they all supposed to cross the crevasse? Then, completely out of the blue, Harpo makes a run for it... The final stretch to the summit is dramatic and extremely moving!

Inge tells Lisa's class about how her parents had to flee their home after World War II. What does the concept of home mean to Inge?

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

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.

Tarek finds their potential investor's demands to be totally unreasonable and Max shares his opinion.

Inge and Selma are guests in Lisa's class and are going to give a talk on the subject of how they both had to flee their homelands. But Lisa's students don't seem to take punctuality too seriously.

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.

Sebastian has found the time to do some much-needed cleaning in the apartment, whereas Lisa is totally out of sorts. Where is her diary? And she has to make a phone call, too! The stress is too much! She just doesn't have time for anything...