It’s 1974. Cosmonauts Dmitri and Yuri are onboard a secret Soviet space station, a tiny capsule miles above Earth. As the cosmonauts argue the mundane intricacies of life—particularly the best way to woo Pat Nixon—they're interrupted by an urgent radio message. Suddenly the fate of the planet rests in the hands of these two unlikely heroes, who must work together to determine the right thing to do in a world gripped by secrets, suspicions, and lies.