Grace is a 17-year-old girl who relocates to the remote Katmere Academy after her parents die in a car accident. Out of her element in the freezing Alaskan environment, she battles severe altitude sickness and the hostile social dynamics of the elite boarding school. She refuses to be intimidated by the harsh elements or the unwelcoming student body, standing her ground when challenged.

Jaxon is a dark, intimidating student who leads an exclusive clique known as The Order. He has porcelain skin, a scar running down the side of his face, and commands the fear and respect of the entire student body. He oscillates between arrogant hostility and intense, protective care toward Grace, demanding that she leave the school for her own good.

Macy is Grace’s bubbly cousin who guides her through the strange, cliquey environment of Katmere Academy. She is eager to make Grace feel at home, outfitting her with cold-weather gear and decorating their shared dorm room. She is highly protective of her cousin and frequently warns her to avoid the more intimidating male students.

Uncle Finn is Grace's paternal uncle and the headmaster of Katmere Academy. He holds authority over the elite boarding school and aims to protect his niece following the tragic loss of her parents. He looks remarkably like Grace's late father, bringing her both comfort and grief.

Lia is a stunning, reclusive student who bonds with Grace over their shared experiences with grief. She mourns the recent death of her boyfriend, Hudson, a loss that isolates her from the rest of the student body. She offers Grace friendship and a listening ear over homemade tea.

Flint is a tall, ember-eyed student known for his flirtatious and easygoing demeanor. He quickly integrates himself into Grace's life, inviting her to snowball fights and ensuring she feels welcome at Katmere. He serves as a lively, approachable alternative to the school's more brooding students.

Hudson is Jaxon's deceased older brother and Lia's late boyfriend. His death sent shockwaves through Katmere Academy and caused a massive rift in the student body's social dynamics. His absence heavily influences the grief and actions of those he left behind.

Mekhi is a member of Jaxon's exclusive, black-clad clique, The Order. He follows Jaxon's lead and occasionally acts as a protective escort for Grace when Jaxon is unavailable or demands she stay put.

Marc is an aggressive student who targets Grace during her late-night walk around the castle. He grabs her and attempts to drag her outside into the snow, establishing the physical hazards present among the student body.

Quinn is an antagonistic student who confronts Grace in the middle of the night. He makes strange, cryptic comments about the moon while threatening the new girl.

Cam is Macy's sweet and cute boyfriend. He asks Grace polite questions about her life and maintains a gentle, affectionate dynamic with Macy.

Heather is Grace's closest friend from San Diego. She is the only person who stayed consistently by Grace's side after her parents' funeral, offering long-distance support.

James is a delicate, well-dressed student in Macy's social circle at Katmere Academy. He holds elitist attitudes about the school's insular community and views Grace with deep suspicion.

Ms. Royce manages Katmere Academy's massive library. She oversees thousands of books, gargoyles, and crystals, providing a quiet sanctuary for students.

Marise is the school nurse at Katmere Academy. She handles the student body's severe medical emergencies, applying sedatives and mysterious treatments to keep the students alive.

Cole is a student who ends up on the receiving end of Jaxon's extreme anger and physical dominance during a brutal confrontation meant to send a message to the rest of the school.

The Vampire Queen is Jaxon and Hudson's mother. She maintains immense authority and harbors deep, violent grief over the tragedy that struck her family.