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...

2015 film directed by Guillaume Nicloux

Suzanne Simonin describes her life of suffering in letters. As a young woman she is sent to a convent against her will. Since her parents cannot afford the dowry required for a marriage befitting her rank they decide she must instead become a nun. Although a kind and understanding Mother Superior helps her to learn the convent’s daily routine, Suzanne’s desire for freedom remains unabated. When the Mother Superior dies, Suzanne finds herself faced with reprisals, humiliation and harassment at the hands of the new Abbess and the other Sisters. For many years, Suzanne is subjected to bigotry and religious fanaticism. (Berlinale.de)

In France, the single translator Diane Siprien adopts an Asian baby named Liu-San in a foundation directed by Sybille Weber. Years later, a weird mark appears on the boy's chest and Diane and Liu share their dreadful nightmares. Diane is assigned for a three-day job in Germany and she leaves Liu with her friend Sybille. However, while going to the airport, Diane finds Liu hidden in the backseat and startles with an eagle flying toward the windshield, crashing her car. Liu falls into a coma and his digital recorder records the boy speaking in an unknown dialect. When Diane searches the translation and the origins of Liu, she is surrounded by mysterious murders. She discovers that the dialect is from the mystic Mongolian Tseven tribe and that Liu is a powerful Observer; further, he is in danger, threatened by sorcerers that need the boy for their Council of the Stone..