She ruled the empire from behind a veil of silk. Now, she returns as a whisper in the dark. Riza, a young palace guard, one night, while patrolling the forbidden wing of the Topkapi Palace, he encounters the ghost of Kosem Sultan, the most powerful woman to ever walk the Ottoman court. Murdered. Forgotten. Restless. She shows him her story: betrayal, passion, ambition, and death.