Since 2014, France's restorative justice programmes have offered a safe space for supervised dialogue between offenders and victims. Grégoire, Nawelle, and Sabine, victims of heists and violent robberies, agree to join one of these discussion groups alongside offenders Nassim, Issa, and Thomas, all convicted of violent robberies. Meanwhile Chloé, a victim of childhood sexual abuse, prepares for dialogue with her own agressor after learning he has moved back into town.
Young and ambitious Captain Vivés has just been appointed group leader at the Grenoble Criminal Squad when Clara's murder case lands on his desk. Vivés and his team investigate Clara's complex life and relations, but what starts as a professional and methodical immersion into the victim's life soon turns into a haunting obsession.