November, 1987. The gang evades the military to scour the Upside Down for Vecna but fails to notice a threat lurking closer to home.

After a vicious attack at the Wheeler home, Mike and Nancy confront the cost of secrecy, while El and Hopper embark on a rescue mission.

Will gains unique insight into Vecna's next move, giving the crew an opportunity to set a trap. Holly explores her new surroundings.