Mood: The mood of the video appears to be romantic and melancholic, with a sense of longing. The theme seems to revolve around love and separation, as hinted by the title 'Ab Tere Bin Unplugged'. The overall emotion conveyed is one of yearning and nostalgia.

Environment: The setting of the video seems to be an urban backdrop, possibly a cityscape at dusk or dawn, given the grayish hue and the silhouette of buildings in the background. The focus, however, remains on the emotional connection between the two characters rather than the physical environment.