The video shows a person working on a car's undercarriage. The person is using a wrench to tighten a bolt. The person is wearing a black jacket and has a watch on their left wrist. The car appears to be parked in a garage or workshop. The person's hands are visible, and they are using the wrench with their right hand. The bolt being tightened is located on the underside of the car, near the wheel. The person's movements are deliberate and careful, indicating that they are experienced in working on cars.