A small happy frog lives quietly in a garden pond until his peace is disturbed by the arrival of three rather unpleasant goldfish who show off, bully him, and taunt him every day about his ugliness. Then. one day, a heron flies up looking for food; he settles beside the pond unseen by the fish and then gobbles them up, not noticing Spoddle. Soon after, he is joined by another frog seeking a new home...