The infant princess Briar Rose is cursed on her name day by Pernicia, an evil fairy, and then whisked away by a young fairy to be raised in a remote part of a magical country, unaware of her real identity and hidden from Pernicia's vengeful powers.

Because of a thousand-year-old alliance between humans and pegasi, Princess Sylvi is ceremonially bound to Ebon, her own pegasus, on her twelfth birthday, but the closeness of their bond becomes a threat to the status quo and possibly to the safety of their two nations.