This first book in the Brock and Kolla Mystery series was shortlisted for the Crime Writers Association's John Creasey Award for best first mystery and met with wide acclaim. It introduced the team of Detective Chief Inspector David Brock and Detective Sergeant Kathy Kolla, with Kathy a neophyte to Scotland Yard. And her first case was one for the books. Meredith Winterbottom, a great-granddaughter of Karl Marx and a longtime resident of Jerusalem...

Every Monday evening, six people gather in a smart North London house to talk about addiction. There they share their deepest secrets: stories of lies, regret, and above all, shame. Then one of them is killed - and it's clear one of the circle was responsible. Detective Inspector Nicola Tanner quickly finds her investigation hampered by the strict confidentiality that binds these people and their therapist together. So what could be shameful enough...