Not a direct adaptation, but draws inspiration from the nineteenth century short story "Karens Jul" by Amalie Skram.
The name Annabel is a reference to Annabel Lee, from the Edgar Allan Poe poem by the same name.
The character "The Man" was known as "X" during the production.
Second film in a series of 4 shorts based on the four seasons. With the first one being: Sludd (2014).
This one focus on "Autumn".
The set location which was originally a farm house was reportedly haunted according to the owner. Parts of the house were permanently sealed, and the crew was warned that some of their equipment might disappear or get dispalced.