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...

The Crime The customers in a London convenience store are taken captive. Among them is young mother, Detective Helen Weeks. She is told her life depends on the co-operation of one of her colleagues - detective Tom Thorne. The Demand Akhtar is desperate to know what really happened to his beloved son, who died a year before in prison. He is convinced the death was not an accident and forces the one man who knows more about the case than any other,...