Mood: The mood of the video seems to be melancholic and introspective, with a sense of longing. The title 'Alone' and the serene yet somber expressions on the two men's faces evoke a feeling of isolation and contemplation. The theme appears to be related to heartbreak, solitude, or self-discovery.

Environment: The environment appears to be a cold, snowy landscape, possibly a mountainous region. The two men are dressed in warm winter attire, suggesting that the video may have been filmed in a cold climate. The blurry background and the focus on the two men imply that the video may be more character-driven and introspective.