In the video, a person is seen working on a car's engine. The person is holding a small black box with blue and yellow wires attached to it. The person is using a blue tool to connect the wires to the car's engine. The engine is black and has various components and wires visible. The person appears to be carefully and methodically connecting the wires, ensuring that they are securely attached to the engine. The video provides a close-up view of the person's hands and the engine, allowing viewers to see the intricate details of the car's internal workings.