Tourists from Finland, France, Germany, England and the US travel to Iceland to go on a pony trek, run by an Icelandic family, across the wilderness. There is tension between the two young girls, Kaisa and Anette, as they are both interested in Ragnar, who at first seems to care more about his horse, Perla. A mysterious ghost rider appears - bu is he for real? - and there is trouble with a disease spreading among the sheep. As the journey goes along, relationships develop between the various characters.