The task of solving the mystery and apprehending the murderer falls to Helena Gallagher and an unusual partner after senior students at Lincoln High get the same lethal text message. Helena Gallagher, a high school girl, has an obsession with murder. a dedicated lover of all things enigmatic. She constantly watches crime documentaries on Netflix and yearns for a more fulfilling existence. What she doesn't anticipate is that a highly visible murder investigation will focus on her small Michigan town. What begins as a fun game quickly turns evil. There are student deaths. Secrets are coming out. Nobody is secure. Would you sacrifice your life to keep a secret?