Catrin Stewart reads this brand new novelisation of an action-packed TV adventure for the Eleventh Doctor and Clara.'We must get to the bottom of this dark and queer business, no matter what the cost!'Something ghastly is afoot in Victorian Yorkshire. Something that kills. Bodies are washing up in the canal, their skin a waxy, glowing red... But just what is this crimson horror?Madam Vastra, Jenny and Strax are despatched to investigate the mystery. Strangely reluctant to assist their enquiries is Mrs Winifred Gillyflower, matriarch of 'Sweetville', a seemingly utopian workers' community.Why do all roads lead to the team's old friends, Clara and the Doctor?Who is Mrs Gillyflower's mysterious silent partner, Mr Sweet?And will the motley gang be in time to defeat the mysterious power that threatens all the world with its poison?Catrin Stewart, who played Jenny in the BBC TV series, is joined by Dan Starkey as Strax in this reading of Mark Gatiss's novelisation of his own 2013 TV script.(P) 2021 BBC Studios Distribution LtdReading produced by Neil GardnerSound design by Simon PowerExecutive producer: Michael Stevens