In the video, a person is seen smoothing out blue frosting on a cake. The cake is placed on a white plate, and the person uses a spatula to evenly distribute the frosting. The cake is round, and the frosting is a vibrant blue color. The person's hand is visible as they work on the cake, and the spatula is used in a circular motion to ensure the frosting is smooth and even. The background is a plain white surface, and there are no other objects or people visible in the video.