Mood: The mood of the video appears to be intense and serious, with a sense of concern or investigation. The man's facial expression suggests that he is deep in thought or concentrating on something. The theme may revolve around a mystery, crime, or a puzzle that needs to be solved.

Environment: The environment or setting of the video seems to be a dark or dimly lit space, possibly at night. The blurred background with a pinkish light suggests that it could be a cityscape or a street scene. The overall atmosphere appears to be somber and reflective.