In the video, a person is playing a first-person shooter video game. The player is holding a gun and is moving through a building. They are shooting at enemies and successfully hitting them, as indicated by the points that appear on the screen. The environment is dark and the player is moving through different rooms and corridors. The gun is detailed and realistic, and the game's graphics are high-quality. The player's movements are smooth and precise, indicating that they are experienced in the game.