After a year in space, Scott Kelly and Mikhail Kornienko reunite with their families and begin the long, painful process of readjusting to life on Earth.
Before leaving Earth, astronaut Scott Kelly heads to a once secret space center outside Moscow that is now the scene of an unprecedented collaboration between former enemies.
Scott Kelly begins his long separation from the rest of humanity well before he leaves Earth, as he and his crewmates enter the curious world of pre-flight quarantine.