If the drug dealer Dragan finds out that the Peppercorns are on his trail, he’ll surely make trouble for them. Fortunately, Emma, Nina, and Max are able hatch a plan to get Dragan arrested before it's too late.

Having broken into Dragan's place, Emma and Nina learn that he is using their classmates to push drugs at their school and others. Suddenly, the dealers come back to their hideout – and the girls are trapped!

After Anna is taken to the hospital, Nina goes to find Emma, only to learn that Emma's in Sankt Pauli trying to trace the origins of the drugs.

Emma is determined to help Max, who is being blackmailed by a drug dealer. Nina continues to claim that she doesn't need any friends and doesn't want to join the Peppercorns. Meanwhile, a student has a bad reaction to the happy pills...

Max confronts Dragan about the money Dragan is demanding from Max's grandmother... then finds himself in a bad situation.

In Part 2 of “The Lost Key,” Kasper and his friend Seppel search for the king’s missing key together. They finally track down the thief — but will they be able to outsmart it?

After the Peppercorns wrap up the case of the stolen wallets, Max sets off on his bike to his grandmother's food truck – and has an unfortunate encounter along the way.

Kasperle, or Kasper, is a traditional puppet character from the German-speaking world, and “Kasperletheater” (Kasper shows) are performed in a manner similar to that of the UK’s “Punch and Judy.” Here, the King has lost the key to his beloved treasury—and, with the King’s promise of a reward, Kasper is eager to help him find it.

Henri and Emma finally chase down the thief – and prove that Nina didn't steal any of the wallets.

In Part 2 of this episode, Oliver discusses the problems that schools face as they begin to reopen in Germany — and also looks at the implications for summer vacation plans.

After a second wallet is stolen, everyone becomes even more suspicious of Nina. Max is still convinced that she didn't steal anything, and while he and Emma are in math class, Henri stands watch outside the gym.

Oliver Welke, Germany's answer to John Oliver or Trevor Noah, looks at ways in which some of the regulations put into place during the COVID-19 crisis are now being relaxed. Masks are still recommended, though Welke wonders to what extent people are using them effectively.

When it becomes clear that his nephew Henri can't stay on his boat, Jan brings him to Emma's father, Hannes. Emma, however, is not happy to find that a guest has taken over her space in the attic – which also serves as the Peppercorn headquarters.

As part of his "market research," Luke asks the kids to help him come up with a superhero film based on their lives in kindergarten – with some hilarious results.

Nina's first day at school really isn't going so well, but she rejects Emma's help and doesn't tell her father what happened. Meanwhile, Emma's dad settles into their new apartment.