Just when Star City seemed ready to move on from tragedy, its penultimate episode delivered a twist that flips the entire season on its head.
What Happens In Star City Episode
Titled “Plow Deep,” the episode jumps forward nine months after the shocking mid-season explosion believed to have killed three cosmonauts aboard the secret Venera mission. With the disaster covered up as a training accident, Star City has moved on under a new, less capable Chief Designer, while Sergei — once a key engineer — has been sidelined to background work after the fallout.
While reviewing data, Sergei notices a strange anomaly and manages to get access to a secure comms channel. He contacts Anastasia, now commanding the new Salyut-1 space station, and asks her to test a specific frequency. The signal she relays back contains compressed data using Sergei’s own unique algorithm — proof that only the Venera spacecraft could be transmitting it.

| Detail | Info |
|---|---|
| Episode Title | Plow Deep |
| Key Discovery | Venera spacecraft survived its explosion |
| Who Uncovers It | Sergei, with Anastasia’s help |
| Cover Story | Deaths were framed as a training accident |
| New Chief Designer | Radimir Petrovsky |
| Streaming Platform | Apple TV+ |
Why This Twist Matters
The reveal means the three cosmonauts presumed dead may actually be alive and heading back to Earth — a discovery that completely upends the season’s central tragedy and the political cover-up built around it. It also raises new stakes: if the returning spacecraft is discovered before authorities are ready, the consequences could be severe for everyone involved in the original cover-up.
As a spinoff of For All Mankind, Star City continues that franchise’s tradition of blending space-race ambition with personal and political stakes, and this cliffhanger sets up what looks like an explosive season finale.
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