Months after Starcourt, the friends are scattered: Eleven struggles in California while the Hawkins crew embraces the Hellfire Club - until a chilling new mystery suggests the town's supernatural troubles have returned.

After a tragedy rattles Hawkins, the kids scramble to clear a friend and chase clues behind a rising supernatural threat. In California, Eleven struggles to adapt, and Joyce receives a message that sparks a new mission.

In the wake of tragedy, Hawkins turns on Eddie as the kids scramble for the truth; Eleven's school troubles escalate, and Joyce and Murray chase a cryptic message that could unravel a bigger mystery.

Max becomes the next target of Hawkins' emerging threat as her friends race to protect her. Nancy and Robin chase a decades-old case for answers, while Hopper plots a risky escape from a Russian prison.

Eleven undergoes a secretive program to unlock her abilities while Nancy Wheeler and Robin Buckley pursue a new lead in Hawkins. Across the globe, Joyce Byers and Murray Bauman push forward with a risky rescue mission.

Hawkins teens chase a chilling clue beneath a local lake, while Eleven confronts repressed memories. Joyce and Murray embark on a risky overseas plan as danger closes in.

Nancy reels from unsettling visions as the Hawkins crew gathers supplies for a desperate showdown. At a Nevada lab, Eleven faces Papa's crucial test while outside forces close in.

As battles rage across Hawkins and beyond, Eleven and her friends risk everything in a desperate plan to stop a deadly evil.