The video shows a first-person view of a person holding a gun and walking through a dark and industrial-looking environment. The person is moving up a staircase and then through a hallway with various doors and lights. The environment is dimly lit, with the only light coming from the gun's flashlight and some overhead lights. The person's hand and gun are visible in the bottom right corner of the screen. The gun has a digital display showing the distance to the target in meters. The person moves cautiously, looking around for any signs of danger.