The video shows a close-up of a person's hand holding a piping bag and decorating cupcakes with pink and white frosting. The cupcakes are placed on a dark surface, and the person is adding a drizzle of chocolate sauce on top of the frosting. The cupcakes are arranged in a circular pattern, and the frosting is piped in a swirl pattern. The chocolate sauce is being drizzled in a zigzag pattern over the frosting.