The story of the real chocolate factories and the Quakers who ran them. Plus, Coronation Street actor William Roache on the week's news, and the live topical debate with Max Flint and Anita Anand. Series producer Abigail Saxon ; Executive producer Chris Loughlin CONTACT: call [number removed]1060 (national rate), email heaven@bbc.co.uk; text HEV to (standard rate); visit www.bbc.co.uk/heaven