The video shows a red laser light moving back and forth in a dark room. The light is bright and appears to be coming from a laser pointer. The room is otherwise dark, and there are no other visible objects or people in the frame. The laser light moves in a straight line and then turns at a right angle, creating a zigzag pattern. The light is the only source of illumination in the room, and it casts a red glow on the walls and ceiling.