Cosima makes a terrible discovery during her research on Orphan Black. "Let the Children and Childbearers Toil" is the fourth episode of the show's fifth season.
Westmorland: Remember your greenhouse? Susan: Oddly, you let everything die. Westmorland: Well, you were the one with the green thumb. Susan: And your hands never get dirty. Westmorland: No. Only my beautiful, filthy mind. Susan: Still got that, do you?