Princess Evie and Sparkles, the kitten, are whisked away on the back of Indigo the rainbow pony to the rainbow's end. There they help to put colour back into a dreary, grey garden - with the help of a few friends, of course!Princess Evie and Sparkles, the kitten, are whisked away on the back of Indigo the rainbow pony to the rainbow's end. There they help to put colour back into a dreary, grey garden - with the help of a few friends, of course!