The video shows a person painting a cake with a paintbrush. The cake is white and has colorful polka dots on it. The person is using a paintbrush to add more colorful dots to the cake. The cake is on a table, and there is a bottle of paint next to it. The person is carefully painting each dot, making sure they are evenly spaced and the same size. The video is shot from a close-up angle, focusing on the cake and the person's hand as they paint.