Mood: The mood of the video appears to be melancholic and introspective, with a sense of longing. The theme seems to revolve around feelings of loneliness and isolation, as hinted by the title 'Lonely'. The overall emotion conveyed is one of wistfulness and contemplation.

Environment: The setting of the video seems to be a waterfront or a marina, with boats visible in the background and palm trees swaying in the distance. The presence of a table and a plate suggests a casual, outdoor setting, possibly a restaurant or a café. The warm lighting and the woman's relaxed attire imply a daytime or early evening setting.