Mood: The mood of the video seems to be romantic and melancholic, with a sense of longing. The theme appears to be centered around love and relationships, likely exploring the complexities of a romantic connection. The phrase 'Lost Without You' reinforces the emotional tone, suggesting a deep emotional dependence on the other person.

Environment: The setting seems to be an outdoor location during a snowy or rainy weather, likely in a hilly or mountainous region. The background features a bridge and a sunset or sunrise sky, which adds to the romantic ambiance. The snowfall or rain creates a cozy and intimate atmosphere, fitting for a romantic video.