From the throne of glass rules a king with a fist of iron and a soul as black as pitch. Assassin Celaena Sardothien won the brutal contest to become his Champion. Yet she is far from loyal to the crown. She knows that the man she serves is bent on evil. As she tries to untangle the mysteries buried deep within the glass castle, her closest relationships suffer. It seems no one is above questioning her allegiances—not even her best friend, Nehemia, a foreign princess with a rebel heart.