"Three Girls is the most horrendous series I've ever watched but what an eye opener and well retold story", summarised Rachel Beckett. We had three-and-a-half months from last August filming it.
"So all my life, 39 years, I get in the shower thinking, "oh wow, heaven" - and I thought, 'oh wow, there's nothing to lift up!'"
Three Girls was written by Nicole Taylor, who said that the idea of far-right groups such as the English Defence League (EDL) using the programme to promote their cause had occurred to her but was "not a reason for silence".
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The drama will look at the way in which these girls were groomed, how they were ignored by the authorities directly responsible for protecting them, and how they eventually made themselves heard. That is why it is such a powerful piece of television. Important that the story is told though. It is very clear from this dramatization where the ownership should lie. It communicated very effectively and graphically what actually happens to children when they are sexually exploited - messages many of us have been trying to convey for years.More news: Sheffield Wednesday and Huddersfield Town clash for place at Wembley
Sara and Maggie, who fought hard to protect the girls and bring the perpetrators to justice, also face an uncertain future. "The BBC took a chance - it could have gone one or two ways".
Yes, this can come with a huge personal cost - Sara Rowbotham lost her job and describes being in a very dark place, including suffering from post traumatic stress disorder.
As her relationship with her family fractures, Holly finds the courage to speak out, but will her nightmare finally end?
"Abbie Andrews wrote: "#ThreeGirls most uncomfortable, pit of stomach sickening TV I've watched in a long time. But we knew that remaining silent was not an option as it allows abuse and perpetrators to triumph.