The video shows a person working on a car's brake system. The person is using a wrench to remove the brake caliper from the brake rotor. After removing the caliper, the person rotates the rotor to inspect it. The person then removes the brake pads from the rotor and inspects them. The person then reassembles the brake pads onto the rotor and installs the caliper back onto the rotor. The person rotates the rotor to ensure that the brake pads are properly aligned with the rotor. The video provides a clear view of the brake system and the process of inspecting and repairing it.