Cassie's typical high school chaos takes a dark turn when she discovers a supernatural underworld hiding within her school. After witnessing her eccentric best friend Eleanor exhibit strange abilities and encountering a werewolf in the science lab, Cassie, alongside the logical Theo and anxious Cedric, uncovers a conspiracy involving their very own teachers. As they delve into hidden passages and face off against vampires like the sinister Malevolent, Cassie learns that Eleanor is a 'Claworious' shapeshifter. The battle for survival reveals shocking secrets about the school's faculty and leaves Cassie facing a terrifying physical transformation of her own. This urban fantasy blends sharp wit with a thrilling mystery where the monsters are closer than they seem.