The video shows a person using a brush to apply a white substance to a piece of plaster. The person is seen holding the brush in one hand and the plaster in the other hand. They then use the brush to spread the white substance over the plaster, covering it completely. The person's movements are deliberate and careful, ensuring that the substance is evenly distributed across the surface of the plaster. The background is a wooden surface, and there is a gray object with a design on it visible in the background. The lighting in the video is bright, highlighting the white color of the substance and the texture of the plaster.