Nacer, a 45 year old journalist, is observing the appearance of strange yellow sandstorms looming over Algiers and its surroundings. While covering the phenomenon for his newspaper, he starts witnessing more and more supernatural events, until his late wife Fajar returns to life. Faced with increasingly threatening storms, Samir has to face a dark past that haunts him.
Hugo is 17 and a member of a handball new talent program, an institution that trains professional athletes. A brilliant and committed player, he is preparing for a crucial match that will determine his career. But the day before the event, his coach has him sit on the bench for substitutes.
A disturbing cloud has appeared from the west. It moves slowly towards the centre of the country, prompting the population to take to the roads. As it advances relentlessly, panic increases. It is a cloud of acid.
