The video shows a person decorating a cake with white picket fence decorations. The cake is round and has a layer of chocolate frosting on top. The person is using a tool to place the picket fence decorations around the sides of the cake. The decorations are white and have a pointed top, resembling a picket fence. The person is carefully placing each decoration to ensure they are evenly spaced and aligned. The cake sits on a white plate, and the background is a light blue color.