After being brutally murdered by her closest female friends at the elite Blackthorn Academy, Y/n wakes up one year in the past with every memory of her death intact. Forced to relive the days leading to her murder, she must survive among the girls who betrayed her while uncovering the dark secret that drove them to kill her in the first place. In a school filled with obsession, manipulation, and hidden rituals, Y/n quickly realizes death may not be the worst thing waiting for her.