Mood: The mood of this video appears to be romantic and melancholic, with a sense of longing. The theme seems to revolve around love, heartbreak, or a deep emotional connection between two people. The use of pastel colors and the overlay of the couple's faces in the background adds a sense of nostalgia and yearning.

Environment: The setting of the video appears to be a serene and natural environment, with a body of water, trees, and a staircase leading up to a distant point. The background is a mix of warm and cool colors, suggesting a sunset or sunrise setting. The overall atmosphere is peaceful and contemplative.