THE TIMES CRIME NOVEL OF THE YEAR
SHORTLISTED FOR THE 2020 COSTA NOVEL AWARD

'This is crime writing of the highest order' The Times

When Margo goes in search of her birth mother for the first time, she meets her aunt, Nikki, instead. Margo learns that her mother, Susan, was a sex worker murdered soon after Margo's adoption. To this day, Susan's killer has never been found.

Nikki asks Margo for help. She has received threatening and haunting letters from the murdere ...