Lizzie Johnson isn't doing the best. She's distanced herself from Dustin, she's now in High School which is nothing like she's ever experienced, and, on top of that, she's still dealing with the excruciating experience that was watching her sister, Flora, die right in front of her. And now, Hawkins is facing yet another threat. And Lizzie, somehow, has become this monster's prey. She'll need her wits about her and the help of her friends to conquer this one, because it's looking like it'll be the biggest Hawkins has ever fought...