The video shows a first-person view of a video game where the player is holding a gun and moving around a building. The player is shooting at enemies and moving through different rooms and corridors of the building. The game environment is realistic, with detailed textures and lighting effects. The player's gun is visible in the bottom right corner of the screen, and the enemies are shown being hit and falling to the ground. The game interface displays information such as the player's health and ammo count.