Mood: The mood of the video seems to be intense and suspenseful, with a theme of cat and mouse or good vs evil. The use of dark colors and a serious expression on the man's face adds to the tense atmosphere. The theme appears to revolve around an undercover cop trying to uncover the truth, possibly using a lie detector.

Environment: The environment appears to be an urban setting, possibly at night. The background is blurred, but it seems to be a city street with lights in the distance. The overall setting seems dark and gritty, fitting for an action or thriller video.