Sharon Horgan on Bad Sisters, the brutality of sisterhood and series two
It is notoriously cold—James Joyce immortalised the patch of Irish Sea as "scrotumtightening" in Ulysses—and Horgan wasn't a wild swimmer at the time, but she managed to brave a dip.
The creative jolt came, however, when she noticed a group of women somehow holding their weekly catch up in the breathtakingly cold water. "I thought, 'that's where the girls will feel safe enough to talk about their murder plans'."