Climate crisis at Kolinksi Billstedt! Peter hears about climate change for the first time and immediately becomes a militant climate change campaigner. Jonas tries to wake up Lia and convince her of his conspiracy theories.

Thorsten, the business graduate from the street, is getting further training - even though he doesn't really need it. Wolffilms aka Titus produces a music video for Jonas, who is now a rapper. Meanwhile, Lia takes over the job of store detective and resorts to unusual measures. Mrs. Jensen doesn't understand young people.