A young girl travels to another reality in her sleep only to wake up every morning. The magical city of Yvania where she has her friends, each from a house of elements. Celeste in the house of Aquaria, the summoners of water. Diana house of Ignisia, the summoners of fire. Cyfrin heir to Caelius, masters of the air. Terraria, masters of the earth. And lastly, the rare house strictly enclosed to the royal family, the Volantus, ability to summon wings.