Fifth-graders are behaving strangely, then the supposed perpetrators become victims. The Peppercorn Gang investigates under time pressure.

Malfunction or sabotage? After water damage in Fariba's warehouse, the Peppercorn Gang uncovers dark dealings.

Jules suspects foul play at his chess tournament. The Peppercon Gang investigates, and indeed, cheating has occurred. However, it's not the kind of cheating they suspected.

A young refugee is suspected of stealing a donation. The Peppercorn Gang fights against prejudice and finds the real thief.

Taara is caught in a robbery and is shocked. Her friends try to solve the case. Why did apprentice Maja give a false alibi?

Donated funds are disappearing from the teachers' lounge. Two classmates are blackmailing Linn; did she take the money in her desperation?

A groundbreaking perfume invention is sabotaged. The Peppercorn Gang uses their keen sense of smell to solve the case.

Kofi witnesses an act of violence against a queer teenager. The Peppercorn Gang investigates undercover – but then Kofi is kidnapped.

Piet falls into a trap. He's supposed to break into a house – and then he reveals himself to his friends. They come up with a daring plan.

Cocaine in mangoes! The last case of this Peppercorn generation involves drugs, a kidnapped bagel, and a new arrival at HQ.