The raunchy 80s adaptation of smash hit novel A Woman of Substance drew the highest ratings Channel 4 has ever seen. As the broadcaster goes there again, the cast and creators talk feminism, revenge – and sex cavesSomewhere on the West Yorkshire moors is what the team behind A Woman of Substance nicknamed “the sex cave”. It is here that the heroine, Emma Harte, loses her virginity in the lavish new adaptation of Barbara Taylor Bradford’s bonkbuster. “It’s hidden away and beautiful,” says the showrunner, Katherine Jakeways. “The lighting in there almost looks like AI, but it’s real. Weirdly, it’s about a mile from my mother-in-law’s house. I haven’t told her yet that it’s a sex cave!”This is just one of many unusual sites for sex scenes featured in the show. “Oh my God, I know,” laughs Jessica Reynolds, who plays the young Emma. “Not just the cave, but there’s a little love shack, too. The cave is the most stunning location, with sunlight coming through these arching rocks. I wonder if ...