All three episodes of the documentary miniseries presented by Lucy Worsley exploring the life and work of Agatha Christie. Using archival documents and interviews, Lucy investigates Christie's early life, searching for the inspiration behind her novels, delving into the mystery of her disappearance in 1926 and discovering the effect finding love with Max Mallowan had on her writing career. The episodes are: 'Cat Among the Pigeons', 'Destination Unknown' and 'Unfinished Portrait'.