Mood: The mood of the video appears to be romantic and playful, with a sense of youthful energy. The theme seems to revolve around love and relationships, with a hint of mischief and fun. The tagline 'Sometimes... true love can be lethal' suggests that the video may also touch on the complexities and potential dangers of love.

Environment: The setting of the video seems to be an urban or festival-like environment, with a blurred background that resembles a cityscape or a crowded celebration at night, indicated by the bokeh lights. The focus, however, is on the couple, suggesting that the main setting could be a night out or a special event.