 Kannabi no mikoto, or Kanna, is one of the last winged beings in "Air"s fictional setting and is held as a prisoner in her own castle.Since she bears wings on her back, she is not permitted to leave the castle walls or see her mother, who is in a similar situation elsewhere.With Ryūya, a member of her samurai guard, and Uraha, a fledgling telekinetic, Kanna escapes and traverses feudal Japan to find her mother.