Delving into the past and present of Hilary Mantel. Made across six months in the run-up to publication of The Mirror and the Light, the final book in Hilary Mantel's Booker-winning Tudor trilogy on the life of Thomas Cromwell, this film enjoys exclusive and extensive access to one of the world's greatest living writers, delving into Mantel's past and present as she describes a vivid imagination active from an early age and recounts with candour a tale of growing up with a dark family secret.