"Every Monday evening, six people gather in a smart 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 its clear someone in the circle was reponsible.
DI Nicola Tanner quickly finds her investigation hampered by the group's strict confidentiality. but what could be shameful enough to cost someone their life? And how do you find the truth when denial and deception are second nature to all your suspects?

passed to a friend

given to friend