Nina must return to her home country after two years of living abroad. On the eve of the flight, she has a dinner with friends, during which stories are told of this group of foreigners in the new country. The next morning, on the day of the trip, Nina experiences a nightmare.
A volcanic eruption, an act of faith, the empire re-enacted in the Cavalhadas de São Pedro and the technologies of nature monitoring intertwine in a non-reductionist gesture of synthesis.