Mood: The mood of the video appears to be intense and dramatic, with a sense of action and suspense. The presence of a gun and the serious expressions on the actors' faces suggest a thrilling and possibly violent storyline. The theme may revolve around crime, revenge, or a cat-and-mouse game.

Environment: The setting of the video seems to be in London, given the iconic landmarks of Big Ben and the Houses of Parliament in the background. The sunset or sunrise sky with orange and yellow hues adds a sense of drama and tension to the scene. The environment appears to be urban and possibly gritty, with a hint of mystery and intrigue.