The Southern Kingdoms haven't been a safe place for children for the past ten years, and that doesn't appear to be ending anytime soon. Fifteen-year-old Kailani Flair has been staying under the radar after the death of her adoptive parents by fire. They passed the same way her biological parents supposedly did. But their bodies were never found, so deep down, Kailani believes they still may be alive. Along with her two brothers. There's no way the incidents aren't connected. Right? Seventeen-year-old Nevan Ransom is finally free. Living on the outskirts of Mispa in 𝘗𝘢𝘳𝘢𝘥𝘪𝘴𝘦 with his best friend, Myer, and adoptive little brother, Shea. It's nowhere near perfect, but it's good. Until Shea is kidnapped and an eerie letter in scarily familiar handwriting is found nailed to Nevan's door. In order to save Shea, and Myer's little brother Hilkai, he has to go back to where it all started. Nella. His past has returned to haunt him.

The Venenarius have been preoccupied with rehoming the millions of refugees, restoring safe conditions to planets previously oppressed by Interitus, and debating whether a teen boy had truly saved the universes. Kenneth Davis, the killer of Xexile, is trying to lead a normal life when he's accused of treason he claims not to have committed and is exposed to unfamiliar dark threats, all while battling unwelcome traumatic memories. Halo Evans is overwhelmed with the insecurities surrounding her magical abilities, the struggles of rejoining society, and her growing concerns for those she loves. The fate of the ones involved and their little time only adds to the mysteries surrounding the universes and their rings.

Interitus have been destroying universes for thousands of years, defying the Venenarius who seem powerless against them. Due to the Interitus, Kenneth Jace Davis is overwhelmed with the new knowledge that there are magical people and thousands of universes. When a nervous but talkative girl aspires to be his friend, Kenneth must balance his internal struggles and the well-being of his new friend. He carries the burden of never being safe from impending danger, and he and his loved ones are never secure. The questions of the Interitus' intentions and Kenneth's purpose in all this only add to the confusion of the universes and their rings.