Senior officer Otso Kontio has finally hung up his gun and badge and is spending his peaceful retiment days at his cabin. The peace is broken when his old partner Auni Parmas brings news about the destruction threatening the municipality of Valkeakoski.
Jukka, Jarno and Jarppi move to the Rauhala estate in Seinäjoki with their pet pig. Their crazy lifestyle accompanies a housefire at the estate, getting fired from their summer job, and the Death Jump!
Relations between Sweden and Finland come to near breaking point. When further negotiations led by President Mara fail, Sergeant Körmy interferes in the course of events.