The video shows a person working on a car's undercarriage. The person is using a wrench to tighten a bolt on the car. The car appears to be parked in a garage or a similar setting. The person's hands are visible in the frame, and they seem to be wearing a blue shirt. The car's undercarriage is dirty, and there are some tools and parts scattered around. The person is focused on the task at hand, and there is no other activity or people visible in the video.