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.

Austin's hottest DJ, Jungle Julia, sets out into the night to unwind with her two friends Shanna and Arlene. Covertly tracking their moves is Stuntman Mike, a scarred rebel leering from behind the wheel of his muscle car, revving just feet away.