The Hollow Unit is a secret society operating within Bartholomew University, made up of gifted individuals bound to protect the campus from dark forces. Nyx and Chance, powerful members with a complicated past, are at the heart of this battle. Their mission: to stop the Writ-a rival, shadowy faction bent on unleashing chaos and opening the barrier between the afterlife and the mortal world. As tensions escalate, Nyx and Chance must harness their unique powers and overcome their fractured bond to defeat the Writ before Halloween night's deadly plans come to fruition.