Story : Plonsters are also playful and this time when Plummy drops in, he starts building a chess board. He makes everything himself, even the figures. Now all he needs is a competitor. Plops who now also appears doesn't want to play with him and fetches the green Plif. Plummy is literally thrown out and is of course angry and as the others begin to play, he starts to think of some nasty tricks. Plif and Plops start arguing about stolen and broken chess figures. Plummy turns himself into a horse in order to stop the fight and finally they all manage to play the game together.