Mood: The mood of the video seems to be a mix of lighthearted and humorous, given the presence of a dog and a woman smiling, alongside a group of men with serious expressions. The theme appears to be a comedy or a light-hearted drama, possibly revolving around the lives of four friends and their interactions with Julie.

Environment: The setting seems to shift between a casual, possibly outdoor or garden-like environment, given the presence of plants and a dog, to a more enclosed or indoor setting with the group of men. The cityscape at the bottom suggests an urban or metropolitan setting.