In a future where a kingdom acts as a gateway to a mysterious galaxy, Pandora possesses extraordinary abilities over time, music, sound, and stars. When Kairos, an astronomy enthusiast, starts researching Pandora's galaxy, his invasive actions inadvertently harm the kingdom. Pandora must gain her mother's trust, travel to Earth, and close the portal draining Stellaris' magic before the stars fall. As she meets Kairos, her animosity towards humans intensifies. Karios feels the opposite towards her. He is captivated by Pandora and feels as if he has been studying Pandora and not her planet. Will Pandora save her galaxy and reconcile her feelings, or will the stars plummet to Earth?
In the epic conclusion to the Devil's Deal series, Freya has one final chance to discover the full potential of her own power, and to use it to restore balance in the universe - once and for all. After the destruction caused by Roisin, Ferya and Torix come to terms with their losses and mistakes... And prepare for a final battle that will change everything.