Mood: The mood of the video appears to be melancholic and introspective, with a sense of mystery. The theme seems to revolve around self-discovery or heartbreak, as hinted by the title 'Pieces of Me'. The overall emotion conveyed is somber and contemplative.

Environment: The setting of the video seems to be a dark and minimalist environment, possibly a studio or an indoor location with a plain background. The puzzle piece design in the background adds a sense of complexity and fragmentation, fitting with the theme of 'Pieces of Me'.