The video shows a person drawing a glass of water with a pencil. The person starts by drawing the outline of the glass and then adds details such as the water level and the reflection of the glass on the surface. The person then draws a straw in the glass and adds shading to give the drawing a three-dimensional effect. The drawing is realistic and detailed, with the person using various shading techniques to create depth and texture. The person's hand is visible in the video, holding the pencil and making precise strokes on the paper. The video is shot from a close-up angle, focusing on the drawing and the person's hand.