Cleopatra has grown up surrounded by the secrets and treachery of the Pharaoh's court. Cleo knows she was marked and chosen by the goddess Isis at birth ... but now her monstrous half-sisters have seized the throne and betrayed the old ways for a bloodthirsty new god. Cleo's life is in danger - and so is her whole country. Who can she really trust? Could the mysterious boy from the Great Library hold the key?