Mood: The mood of the video appears to be light-hearted and playful, with a sense of camaraderie among the people on set. The theme seems to be behind-the-scenes fun and making of a film or TV show, likely a cooking show or a movie related to food, given the title 'Chef'. The emotion conveyed is joyful and casual, suggesting a relaxed atmosphere.

Environment: The setting appears to be outdoors, possibly on a film set, with lush greenery and trees in the background. There are several people in the background, some of whom seem to be crew members, and one person holding a clapperboard, indicating a film or video production is taking place.