Warning: This episode contains spoilers for Episode Four of the First Season of Flesh and Blood.

Sarah Williams is the kind of screenwriter who knows where she's going when she starts writing a script. But sometimes, a character insists on taking the story in a different angle, and Imelda Staunton's timid Mary was exactly that kind of character. Williams shows where Mary took her, and us, in a new podcast after the dramatic conclusion of Flesh and Blood.