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.
