Mood: The mood of the video appears to be melancholic and romantic, with a sense of longing. The black and white color scheme and the close-up shot of the couple convey a sense of intimacy and emotional depth. The theme seems to revolve around a love story, possibly with a tragic or bittersweet tone, as hinted by the tagline 'A Lethal Love Story'.

Environment: The setting of the video is not explicitly shown, but based on the black background and the focus on the couple, it can be inferred that the video might be set in a dark, urban, or indoor location. The absence of any distinct background elements suggests that the focus is on the emotions and the story rather than the physical environment.