The video shows a first-person view of a video game where the player is holding a gun and moving through a building. The player is seen walking up a set of stairs, then turning around and walking down. The player then aims the gun at a door and shoots at an enemy that appears. The enemy is hit and falls to the ground. The player then continues to move through the building, aiming the gun at different corners and doors. The environment is a warehouse-like setting with concrete walls and metal structures. The gun has a scope attached to it, and the player's health and ammo count are visible on the screen.