The people of Aramanth have been enslaved by the army of the Mastery, led by Marius Ortiz. If they disobey their masters, a member of their community is burned in an iron cage before their eyes. Only Kestrel Hath, daughter of Ira and Hanno Hath, escapes the armies and rescues the silver voice from the burnt wind singer. Following the instinctive call of her twin brother Bowman across the desert, Kestrel meets Sisi, the spoilt Johdila engaged by her parents to Marius Ortiz. Kestrel becomes Sisi's