In a kingdom ruled by the stars, being born without a constellation is a death sentence. For seventeen-year-old Nia, it just means living in the shadows as a ghost.But when a heist at the Royal Gala goes horribly wrong, Nia accidentally collides with Crown Prince Cassian during his ascension ritual. Instead of being reduced to ash, she absorbs his celestial Phoenix magic, stripping the heir to the throne of his birthright.Now, they are locked in a deadly, magical tether: every wound Nia inflicts on Cassian, she feels. If Cassian dies, Nia's stolen power will detonate, killing them both.With the King’s brutal inquisitors hunting them down, the cynical gutter-thief and the arrogant prince must do the unthinkable: trust each other to survive. But as their souls blur together, they uncover a dark royal secret that could shatter the stellar grid—and their hearts—forever.