Dr. Alexei reveals what the Russians have been building, and Eleven sees where Billy has been. Dustin and Erica stage a daring rescue.
With time running out - and an assassin close behind - Hopper's crew races back to Hawkins, where El and the kids are preparing for war.
Terror reigns in the food court when the Mind Flayer comes to collect. But down below, in the dark, the future of the world is at stake.
I really enjoy this show!