The series dramatizes an alternate history depicting "what would have happened if the global space race had never ended" The series stars an ensemble cast including Joel Kinnaman, Michael Dorman, Sarah Jones, Shantel VanSanten, Jodi Balfour, and Wrenn Schmidt. The series was renewed by Apple TV+ in October 2019 for a second season, which premiered on February 19, 2021.
In an alternate timeline, Alexei Leonov becomes the first human to land on the Moon in 1969. This outcome devastates morale at NASA, but also catalyzes an American effort to catch up. With the Soviet Union emphasizing diversity by including a woman in subsequent landings, the U.S. is forced to match pace, training women and minorities.