Dad´s skills in outdoor activities are put to the test when the family travel to Sweden for the weekend to visit Annika, Dad´s cousin. Annika has a nature park and Uncle Anders seizes the opportunity to put on his old scout shirt and take out his compass. Lille Per, Mie, Ole and Søs thrive with Annika, but they soon find out that not everything is ideal. A gang led by the villain Rikart, are messing up the nature park with old refrigerators and hazardous waste. The family tries to procure evidence, but Rikart and his gang now pursue the family, so they must flee and take refuge in the dangerous and wild areas of the nature park.