Leaving behind the dread and decay of the city, Noa and her best friend, Nicole, travel up into the Andes, headed for Solar Noise: an eight-day festival that takes place on the side of a volcano. It is a world of shamanism and underground music, a world in tune with the thunder of the earth and the bellows of the mountains. Noa has been drawn there in search of her father, who abandoned her as a child, and who now lives somewhere near the festival site. But soon after their arrival, she begins speaking in a voice that is not her own. Believing Noa to be in danger, Nicole struggles to care for her friend. Until, as the party spills into Inti Raymi - the Incan festival of the sun - the girls' desire for belonging burns, incandescent, collapsing the thin membrane separating life from death, trauma from transcendence, and ecstasy from oblivion.