What Is the ‘Bad Sisters’ Filming Location? What We Know

She further explained, “When I was there, I was watching these groups of women in the freezing water, you know, just treading water and catching up and I thought: They could plot their murders there. This is their, like, sacred place. And also the idea of the Christmas swim, I mean, I’m sure it’s done in other places in the world. But to me, it felt like something that Garveys could have done with their parents that they just carried on as a tradition.”