In the Tower of Nyx, held between the two most powerful kingdoms of Isyra, Princess Lyria is imprisoned for the rare lunar magic she never asked for. Feared by both realms and bound by a dangerous prophecy, she becomes the fragile link between peace and war. When Prince Kael—heir of the rival kingdom—becomes her guard, the two uncover a rising ancient threat that could destroy Isyra. Together, they must decide whether to remain enemies or risk everything to save their fractured world.