The video shows a first-person view of a video game where the player is holding a gun and shooting at enemies. The player moves through different rooms and corridors, aiming and shooting at enemies that appear in their path. The game's graphics are realistic, with detailed textures and lighting effects. The player's gun is visible in the lower right corner of the screen, and the enemies are shown being hit and defeated with each shot. The game's HUD displays the player's health, ammunition, and a mini-map.