Audience members talk about a recent demonstration and how reactions to populist movements have changed in cities such as Dresden.

Lothar finds out why Nicki is so stressed out about her upcoming exam. Meanwhile, Katja and Ben investigate when someone overhears a gunshot.

Yvonne's mother seems to have her own agenda. Oskar and Tom's uncle Oskar suddenly appear at the bookshop.

Katja learns that the gun found on a teenager is the weapon used years ago to kill her father, who was also a cop.

While Katja, Ben, Henning, and Harry all look into the weapon that has surfaced, Lothar meets Nicki's father, who is a very difficult person.

We see how Lisa and Selma unknowingly walked right by Nico's lost bag after it got left on the street. They were discussing Lisa's vacation plans and Selma's last trip.

Selma and Lisa talk on the phone. Lisa is still on vacation and enjoying great weather. While they are talking, Selma makes an exciting discovery.

Katja tells her mom that the police have found the murder weapon that killed Katja's father. Meanwhile, the wife of the top suspect is brought in for questioning.

Everyone weighs their options regarding the suspect's wife, who remains in custody, while Nicki's father proves himself to be a very difficult person to get along with.

Nico has been wearing clothes borrowed from his new friends ever since he lost his bag. On a bakery run, he runs into Selma, who happens to be carrying it!

Frau Starke finds a diary that reveals that her husband had an alibi, proving he couldn't have murdered Katja's father.

Selma and Nico discover that although Nico's phone and passport are still in his bag, two pieces of clothing are gone. They plan to go into town and buy some new clothes.

Joe tells Katja that her father actually committed suicide. The others back at the station are unable to find out any information about what happened to the weapon that night.

Nico tries on some new clothes in various sizes while the man who took his shirt walks by unnoticed.

While Katja deals with the terrible news about her father's death, Lothar argues with Joe about how the situation was handled.