As Louise and Alan Shepard bask in the success of his mission, Betty Grissom preps for Gus' launch and turns to Louise for advice. And Annie Glenn grapples with her stutter, anticipating that the press will want to hear from her after John's orbit is completed.

While the Cold War intensifies and the Cuban Missile Crisis comes to a head, the Mercury 7 families begin glamorous new lives in Houston. But Houston also marks the start of the Gemini Project, and with it, the arrival of the Gemini wives, which changes the dynamic among all the women. Marge and Deke embrace new roles after learning about Deke's permanent status, and Trudy and Gordo's personal "cold war" begins to thaw.