Hannah the horse lives with her best pony friend, Pandora the pony. The two of them go to Africa with their friends, Trigger and Coleen to see monkeys, Mickey and Miley, but what will happen when a unicorn turns up unexpectantly when they get back? Will it be able to hide in time before it gets caught out by one of the little humans? Also, when Hannah the horse and Pandora the pony decide to have a race at Corsham Court, who out of the two of them will win? Will it be Hannah the horse or Pandora the pony?