Two long years after it was set up to fail, the Monochrome Inquiry into historic misconduct by the intelligence services plods on. But in dark corners the ground is shifting, and a new witness is about to emerge.

Mick Herron’s new standalone thriller is read by Nina Sosanya.

Abridged by Eileen Horne
Producer: Eilidh McCreadie

Mick Herron is the bestselling author of the Slough House thrillers and Zoe Boehm series, and winner of the CWA Gold Dagger. His books featuring Jackson Lamb have been adapted for TV as the ‘Slow Horses’ series starring Gary Oldman and Kristin Scott Thomas. Show less