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 heartbreak, which are common in Indian cinema. The use of the phrase 'A Lethal Love Story' suggests that the video may contain intense or dramatic elements.

Environment: The setting appears to be an urban or semi-urban area, possibly a rooftop or a bridge, given the presence of a railing and a concrete pillar. The background is blurred, but it seems to be a daytime setting with bright lighting.