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.

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

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.

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

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

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.

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.

Oskar has a crush on his neighbor, a famous actress, but only has contact with her through the items she gets sent to his store.

How long should a relationship last? The two patients in this therapy session present diverging opinions on how love develops.