Riley Bloom discovers a hidden world of ghosts and spirits after her own death. When Riley Bloom dies unexpectedly, she finds herself in the afterlife, a place populated by ghosts and overseen by the mysterious Soul Seekers. Her mission is to help restless spirits find peace and move on to the next stage of their existence. However, Riley soon learns that her own death may not have been an accident, and she must navigate the complex rules of the afterlife while uncovering the truth about her demise, all while dealing with the challenges of her new existence and the spectral beings she encounters.

The premise of Radiance sets up a compelling entry into the paranormal young adult genre, focusing on a protagonist navigating the complexities of the afterlife. The narrative appears to blend mystery with supernatural elements, suggesting a focus on uncovering secrets and understanding a new world. The exploration of Riley's role as a Soul Seeker and her investigation into her own death points to a plot driven by both personal stakes and the broader mechanics of the spirit realm. This initial installment likely aims to establish the world and its rules while drawing readers into Riley's unique predicament.