Farmer Tubbs takes a real shine to one particular pig, so much so that he can't bear to send him to market with the other young pigs. Soon Ace is befriended by the farmyard animals including Nanny the goat and Clarence, the cunning white cat. Together they help Ace to find his place in the farmhouse, ousting Megan, the farmer's aristocratic corgi, from her queenly seat - the best parlour char.
