Mood: The mood of the video appears to be dark, eerie, and suspenseful, with a sense of fear and horror. The theme seems to revolve around supernatural or paranormal elements, possibly involving a haunted house. The overall emotion evoked is one of tension and foreboding.

Environment: The setting of the video seems to be a dark and stormy night, with a snowy landscape and trees visible in the background. The presence of a house, as indicated by the title 'The House Next Door', suggests that the story may be set in a residential area with a focus on a specific house that holds some significance.