Thibault Marsan-Bacheré

First half of a two-film adaptation of Alexandre Dumas' novel.

In the heart of a city, the inhabitants of a tower wake up one morning to find that their building is shrouded in an opaque fog, obstructing doors and windows - a strange dark matter that devours anything that tries to pass through it. Trapped, the residents try to organize themselves, but to ensure their survival they gradually succumb to their most primitive instincts, until they sink into horror...

Matthieu is a young and talented black box analyst on a mission to solve the reason behind the deadly crash of a brand new aircraft. Yet, when the case is closed by authorities, Matthieu cannot help but sense there is something wrong with the evidence. As he listens to the tracks again, he starts detecting some seriously disturbing details. Could the tape have been modified? Going against his boss' orders, Matthieu begins his own rogue investigation - an obsessional and dangerous quest for truth that will quickly threaten far more than his career...

A well-to-do French family living in Calais deal with a series of setbacks and crises while paying little attention to the grim conditions in the refugee camps within a few miles of their home.

Arnaud, facing an uncertain future and a dearth of choices in a small French coastal town, meets and falls for the apocalyptic-minded Madeleine, who joins an army boot camp to learn military and survival skills to prepare for the upcoming environmental collapse. Intrigued and excited by Madeleine’s wild ideas, Arnaud signs up for the boot camp himself. They soon realize that the boot camp is harder than they’d imagined, but the experience nonetheless cements them together as the couple continues to explore their young love.