It would seem that the danger had passed, and that the heroes had finally earned their peace. But in truth, this was only the beginning. The darkness of Hawkins had stopped hiding. Demogorgons, Demodogs, and other creatures had gone on the hunt. Once again, the heroes would have to fight back - only this time, everything would be more dangerous and more difficult. Eleven is hiding from the military. A secret squad is protecting the town. Will once again feels the presence of the Upside Down's darkness. Morgan begins to notice strange changes within herself. Mike and Max are hiding a secret they share. All of them have found themselves wondering: what if there is no escape?

When Elisa Davis returns to Twilight Hills after two years of forced exile, she believes the worst is already behind her. But her hometown holds too many unhealed wounds, unspoken truths, and shadows of the past. As a dangerous gift begins to awaken within Elisa and the line between ordinary life and the magical world grows thinner and thinner, she must uncover the secret of her own power, understand what binds her to Murphy, and one day come face to face with the evil that has been waiting for her return.

The last weeks of summer were supposed to remain in Rachel Roth's memory as nothing more than an ordinary chain of parties, arguments, kisses, and anxious steps toward adulthood. Instead, they become the beginning of the collapse of her familiar reality. Nightmares take on flesh, a forgotten past resurfaces in fragments of visions, and her feelings for Jason Todd grow far too dangerous to ignore. While friendship is tested by jealousy and betrayal, the five teenagers draw ever closer to a truth capable of changing their lives forever.