at SFlix. On June 29, 2016, a strange cloud formed in the sky of Cartagena de Indias, Colombia; drawing attention and creating superstition in its inhabitants. Cloud formation alters the behavior of some people, causing them hostile and murderous attitudes toward their peers. A group consisting of four young people who were not affected by the phenomenon, will seek ways to cope with this situation and return peace and tranquility to the city.