Mood: The mood of the video appears to be dark, luxurious, and seductive. The theme seems to revolve around a romantic and possibly dramatic relationship between the two leads, with a hint of danger or intensity suggested by the title 'Killer Haseena'. The overall emotion conveyed is one of glamour and allure.

Environment: The setting appears to be a luxurious, ornate room with a red couch and gold accents. The background is dark, with curtains and a starry night sky visible behind the couch. The atmosphere is intimate and sophisticated, suggesting a high-end or royal setting.