The video shows a person decorating a white cake with a blue icing bag. The person is seen adding icing to the side of the cake, creating a beautiful design. The cake is placed on a brown table, and the person's hand is visible as they work on the cake. The blue icing bag contrasts with the white cake, making the design stand out. The person's movements are precise and deliberate, indicating their skill and attention to detail. The video captures the process of cake decoration, showcasing the transformation of a simple cake into a work of art.