Mood: The mood of the video appears to be dark, intense, and romantic, with a sense of longing and passion. The theme seems to revolve around love, desire, and possibly heartbreak or obsession, given the title 'Hate Story IV' and the song title 'Badnaamiyan'. The overall emotion conveyed is one of sultry intimacy and drama.

Environment: The setting of the video seems to be a dimly lit, possibly indoor location with a dark and moody atmosphere. The presence of the two men and the woman in a glamorous outfit suggests a luxurious or high-end environment, possibly a hotel room, a nightclub, or a private mansion. The background is blurred, with a focus on the three main characters, adding to the sense of intimacy and secrecy.