The video shows a person decorating a cupcake with white frosting. The person starts by placing the frosting on the top of the cupcake and then proceeds to swirl it around the top of the cupcake. The person uses a spoon to spread the frosting evenly on the top of the cupcake. The cupcake is placed on a colorful surface, and the person's hands are visible as they decorate the cupcake. The video is shot in a close-up shot, focusing on the cupcake and the person's hands.