In the video, a person is seen preparing a cake. They start by placing a round cake on top of two other cakes that are already stacked on a plate. The person then proceeds to spread a yellowish cream on top of the cake using a spatula. The cream appears to be a mixture of some kind, possibly a custard or a similar type of filling. The person spreads the cream evenly across the top of the cake, ensuring that it covers the entire surface. The cake is then placed in the refrigerator to set. The person's movements are precise and careful, indicating that they are experienced in cake decorating. The video provides a clear view of the process, making it easy for viewers to follow along and replicate the steps.