Several friends travel to Sweden to study as anthropologists a summer festival that is held every ninety years in the remote hometown of one of them. What begins as a dream vacation in a place where the sun never sets, gradually turns into a dark nightmare as the mysterious inhabitants invite them to participate in their disturbing festive activities.
Struggling with the breakdown of a relationship, Leo moves back to a dilapidated 'city of tomorrow' to live with his belligerent grandfather and his father Rafael, a disillusioned engineer who once worked in Cuba's now-abandoned nuclear program.
