Nico has the bold idea to call a radio station and tell them about his missing bag.

Nico and Lisa go to the police station, where her father files the little information Nico can give him.

Nico goes to the "Wohngemeinschaft" ("WG") where Lisa lives and meets her housemates, who are getting ready for a party.

When Nico shows Nina and Sebastian the photo of his aunt, Sebastian has the idea to post the photo online and see if anyone recognizes the bicycle shop.

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.

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

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

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

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.

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.

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

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

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.

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

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