Winter. Hawkins. 1985. Welcome back to a town crawling with secrets, where beloved heroes are facing fresh mysteries... and an all-new breed of strange.

When a young boy vanishes, a small town uncovers a mystery involving secret experiments, terrifying supernatural forces, and one strange little girl.

After his life is turned upside down when his wife is killed in a London terrorist attack, a brilliant but introverted CIA decoder takes matters into his own hands when his supervisors refuse to ...