In the wake of Vecna's shadow, a new horror has clawed its way into Hawkins. A relentless plague is turning survivors into walking corpses, proving that the Upside Down was only the beginning. Eddie Munson, separated from his friends and fighting for every breath, has transformed Hawkins High into a final, desperate safe-haven. But the sanctuary is shaken when Eddie discovers that his latest rescue carries a rare immunity-the only potential cure for the rot. Now, the "Freak" of Hawkins must make an impossible choice: sacrifice one innocent life to save the world, or protect them from a lynch mob willing to bleed the immune dry to survive.