In the video, a person is seen touching a car battery. The battery is connected to the car's electrical system, and the person's finger is touching the positive terminal. As the person touches the terminal, a small amount of smoke is visible, indicating that the battery is being charged. The person's finger is then removed, and the smoke dissipates. The video provides a close-up view of the battery and the terminal, allowing the viewer to see the details of the connection and the reaction of the battery to the touch.