The video shows a person using a paintbrush to paint a seahorse on a white canvas. The seahorse is painted in shades of purple and pink, with a blue gem on its head. The person is seen adding details to the seahorse's body, tail, and fins. The background of the canvas is painted in shades of blue and white, resembling the ocean. The person's hand is visible as they hold the paintbrush and add details to the seahorse.