Nico can't stay in the shared apartment anymore, but Lisa gives him some ideas where he might possibly stay.

Nico is disappointed to find out they have the wrong address for his aunt's bike shop.

Nico comes by after Lisa is finished teaching. While Lisa is on the phone with a potential new housemate, Nico takes a look around the room.

Lisa teaches her students the importance of learning nouns along with their articles so that the gender gets memorized as well.

Lisa is in a rush the next morning, but promises Nico that they will go see his aunt after she is finished with work.

As they clean up after the party, the group talks about the nationalities of the various guests and the languages they speak. Sebastian then interrupts with unexpected news.

The group plays a game with food from various countries. Nico learns that Nawin has gotten a job in France, but is reluctant to leave Germany.

After it is revealed that Frauke Claassen tried to frame Torben Witt, Eileen Claassen asserts her independence. Harry and Lothar get revenge on Dirk for his role in the confusion surrounding Harry's training program.

Nico meets Selma, who is from Damascus, and learns how to speak about cardinal directions in German.

Nawin receives some nice souvenirs at his farewell party, and he and Nico and Lisa discuss various German cities.

Harry and Henning have to apologize to Ina Grote and Onno Wulf. Meanwhile, the truth about what happened at Frauke Claassen's house is revealed.

Nico and Lisa eat pizza with Lisa's roommates and talk about the party they are having.

It seems as if Torben has been caught red-handed and the evidence adds up against Onno. Can they convince the police of their innocence?

Nico and his friends order pizza and find out that someone has responded to the photograph of his aunt's bicycle shop on social media.

The police doubt the credibility of the evidence against Torben Witt and continue to watch over the Claassen residence. Meanwhile, Ina Grote helps with the arrest of Onno Wulf.