The Hairdresser Mysteries, featuring Bridget Jones star Sally Phillips, has so far also filmed at a bingo hall in Worcester and outside a fish and chip shop in Redditch. What is The Hairdresser Mysteries about? Is The Hairdresser Mysteries based on a true story? No, The Hairdresser Mysteries is not based on a true story. She has regularly campaigned on Down’s Syndrome issues and released A World Without Down’s Syndrome?, about the debate on screening tests that detect Down’s syndrome in pregnancies and what effect it could have on society, on the BBC.