The video shows a person working on the underside of a car. The person is using a wrench to tighten the bolts on the car's suspension system. The car is lifted off the ground, and the person is standing underneath it, reaching up to the suspension system. The person is wearing a black shirt and has a watch on their left wrist. The car appears to be a sedan, and the suspension system is made of metal. The person is using a lot of force to tighten the bolts, indicating that they are trying to secure the suspension system properly.