A catholic French couple sees their life upside down when their four daughters get married to men of different religion and origins.
February 1927. The funeral of Marcel Péricourt, the most powerful banker in Paris. His daughter Madeleine must take the helm of the financial empire of which she is the heiress. But she has a son, Paul, who with an unexpected and tragic gesture will place her on the path to ruin.
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...
