As the season builds to its climax, there\u2019s an awful lot to process. A real-life tragedy intervenes in Ellen\u2019s story. Margo needs to communicate information from another tragic event that didn\u2019t happen in the world of \u201cFor All Mankind.\u201d A mysterious Soviet engineer comes bearing gifts for Dani. The Vending Machine of Fate beckons to Aleida! And Karen is having a crisis. Meanwhile, on the moon, is someone singing?