In the video, a person is seen using a piping bag to fill in a fish-shaped outline on a piece of dough. The person starts by outlining the shape with purple icing and then fills it in. The dough is placed on a green cutting board, and the person uses a blue spatula to smooth out the icing. The person's nails are painted red, and the icing is a vibrant purple color. The fish shape is filled in completely, and the video ends with the person smoothing out the icing with the spatula.