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.

Yvonne is crushed after Oskar leaves, and has a hard time getting any emotional support from her mother.

Yvonne falls for Oskar and says she would like to continue their relationship, but Oskar bids her farewell, knowing that it can't continue.

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.

Oskar enjoys a date with Yvonne in which they mainly talk about her – but he also writes her a letter with the truth.

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

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

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

While Yvonne tries to impress the casting agents, her alleged sponsored child tries to get Oskar's brother involved in the scam she is running.

Everyone at the station speculates wildly when Dirk is mysteriously called away. Meanwhile, Katja observes the anniversary of her father's death.

Yvonne auditions for a role that has parallels with her own life, but the casting agents are skeptical of her.

Yvonne's mother shows up and she tells him about the arrangement with Oskar. They begin to fight, prompting Oskar to leave quickly.

Marga and Herr Ohrmann meet in prison to discuss business. Ohrmann has noticed that Dr. Gössel is a good man, perhaps a good man for Marga?

Yvonne and Oskar bond over a reading of Rainer Maria Rilke's "Der Panther." Meanwhile, his brother continues to make big plans...

Marga confronts both of Mr. Ohrmann's colleagues and lays out their options. Word gets out that she has been named the new chair of the Ohrmann Group.

Oskar tells his brother that he won't be giving him his money. He then visits Yvonne's house, but is quite shy around her.

With Ohrmann in custody and his partners trying to take over, Marga scrambles to solve the company's problems.

Oskar makes Yvonne a very bold offer in an attempt to live his remaining weeks to the fullest.

In one last attempt to save Marga's living situation, Ohrmann instructs her to find a little book in his office before his colleagues can get to it.

When Vilo comes to pick up the Klosterfelds' mail, Oskar gives her a letter to deliver to Yvonne.

Mr. Ohrmann admits to his wife that he also conned Marga, and tries to reconcile with his daughter. Marga realizes that Mr. Ohrmann going to jail also has negative consequences for her own life...

Oskar's brother asks him for money, not knowing that Oskar is terminally ill. Meanwhile, Yvonne Klosterfeld's sponsored child from Africa seems to have her own plan for her time in Germany.

Mr. Ohrmann tries to call to turn himself in, but the line is busy. Luckily, Dr. Gössel is determined to give him a chance.

Oskar finds out that he is terminally ill and only has four weeks to live. Meanwhile, Yvonne's sponsored child from Zimbabwe shows up at her front door.