Bag is a Welsh sheepdog,, and too clever for his own good. He is always anxious to please, but somehow things do not work out as he intends. After his mistakes have resulted in the de-roofing of the farmhouse, the biting of a neighbour, and the discovery of the local vicar in a low den of whisky-drinkers on a Sunday, it looks as if it may be all over for him. But Cwm sheepdog trials are coming. Will he redeem himself? Knowing Bag, you would have to say probably not….