A man is haunted by horrible dreams, and wakes up in the middle of the night to find his wife getting dressed and leaving. Suspecting an affair, he follows her, but he finds something beyond his wildest imagination.
In this world, there is a darkness 
about which you know nothing.
في هذا العالم، يوجد ظلامٌ أنت في غفلةٍ عنه
In dieser Welt existiert eine
dir unbekannte Finsternis.
En el mundo existe
oscuridad que no conoces.
En el mundo existe
una oscuridad que no conoces.
Dans ce monde
Nesse mundo, há uma escuridão 
sobre a qual você não sabe nada.