[4][5] It is based on Ingvar Ambjørnsen's novel of the same name, which is part of the series Pelle og Proffen.
[7] Lena, Pelle's girlfriend, has spent 16 months in a rehab clinic and now lives in the fictional town of Steinsund in Southern Norway.
At the same time, Proffen falls in love with Gerd, who is active in the local Nature and Youth club.
They are working hard to find out who is behind the pollution of the beautiful Steinsund Fjord.
To help Gerd, Proffen brings Pelle with him, and together they decide to put the villains behind bars.