Mood: The mood of the video appears to be intense and dramatic, with a sense of danger and action. The theme seems to revolve around crime, possibly a story of a protagonist who gets involved in a life of crime, as hinted by the presence of guns and the title 'Johnny Gaddaar'. The emotion conveyed is one of suspense and possibly betrayal.

Environment: The setting of the video seems to be a dark and gritty urban environment, possibly a cityscape at night or a dimly lit interior. The presence of guns and the attire of the characters suggest a modern, possibly contemporary setting with a focus on crime and action.