When Sugarlump the rocking horse wishes to see the world, a magical unicorn with a silver horn and sparkling blue eyes turns him into a real horse. But after trotting around the farm, galloping around a racetrack and even dancing at the circus, Sugarlump learns to be careful what he wishes for and realises how much he misses the children he left behind. Luckily the unicorn has one more wish to grant . . .