Lucy Worsley explores Agatha Christie's haunted, unconventional early life to discover the origins of her talent for murder - and uncovers some carefully concealed secrets.

Agatha Christie's shocking disappearance in 1926 gripped the nation. Lucy Worsley unravels the mystery and reveals the profound influence this episode had on her writing.

Lucy Worsley explores the enigma of Agatha Christie. Over three episodes, she applies her historian’s powers of investigation to the Queen of Crime. And she uncovers a complex woman whose life – and work – reflects the upheavals of the 20th century.