Mood: The mood of the video appears to be light-hearted and comedic, with a sense of excitement and energy. The theme seems to revolve around friendship and possibly a musical or dance-based storyline, given the title 'Heer Express' and the presence of a full album soundtrack. The overall emotion conveyed is upbeat and playful.

Environment: The setting of the video seems to be an urban or modern environment, possibly a cityscape or a trendy location, given the attire of the individuals and the background. The exact setting is difficult to pinpoint, but it appears to be a contemporary, possibly Indian, city setting.