The video shows a first-person view of a video game where the player is holding a gun and walking through a dark and abandoned building. The player comes across a dead body on the ground and continues walking through the building. The environment is dimly lit and has a grim and eerie atmosphere. The player's gun is visible in the lower right corner of the screen, and there is a prompt on the screen that says "Hold [button] to Rebuild Barrier." The video game appears to be set in a post-apocalyptic or dystopian world.