Lothar and Henning find there is a common link in the issues with their bank cards, while another scene erupts between Frauke Claassen, her daughter, and Torben Witt.

This installment of questions from the German citizenship test covers issues from maternity protection to the treaties that have defined German history.

Ready to practice some Austrian dialect? Melissa Naschenweng, an Austrian schlager singer, sings about love and devotion.

Lilly is worried about her future after her mother's death. Lena travels to Berlin.

While Lisa drops Emma off at a birthday party, Nico waits in the car and hears something interesting on the radio.

Politician Frauke Claassen comes to the station and it turns out that there is another coincidence related to the two protesters.

"Großstadtrevier" is a series about a police station in Hamburg. This episode begins with rioters being brought in for questioning, one of whom knows Nicki.

Lena tries to get out of East Germany to see her dying sister and comfort her niece.

Nico and Emma play a game in the car just before Lisa drops her off at a birthday party.

Barbara and her students look at a few more sentences that each have a nominative subject and a dative object.

Dirk and Lothar are able to trap the second culprit. Later, Dirk learns that things are looking up for both Hilde and her brother.

Lisa calls her father, a policeman, to see if he can help find Nico's aunt.

Piggeldy learns to read... sort of.

Barbara takes her students through some verbs with complicated structures, such as "fehlen" and "gehören." Luckily, Macy and Cramer are able to act out some of these to help their fellow students.

Nico, Lisa, and Emma run into Lisa's friend Max, who suggests that they get Lisa's father to help with Nico's situation.