In the video, a person is using a red heat gun to melt a piece of plastic. The heat gun is being held in the person's right hand, and they are using their left hand to steady the plastic. The plastic is being melted on a piece of wood, and the person is moving the heat gun back and forth over the plastic to ensure it is evenly melted. The background of the video is a cluttered workshop, with various tools and objects scattered around. The person's actions are deliberate and careful, indicating that they are experienced in using the heat gun. The video provides a clear view of the melting process, with the plastic changing from solid to liquid as the heat gun is applied.