In the video, a person is seen working on a car's brake system. The person is wearing blue gloves and is using a wrench to tighten the bolts on the brake caliper. The brake caliper is attached to the brake rotor, and the person is making sure that it is securely fastened. The person is also using a rag to clean the brake caliper and rotor. The video provides a close-up view of the brake system, allowing the viewer to see the details of the components and the actions being performed.