一辆汽车在经过一个小村庄时，把一只鸡给压死了。司机捡起这只不 幸的小鸡，对一位看到这件事的小男孩说："这只鸡是你家的吗?" "不，先生，我家的鸡跟它的颜色、模样虽然一样，但它没有这么扁。"

PolicecommissionerHervilleisfounddeadinaChineserestaurantinthe13tharrondissementofParis.GiloumustbreakthenewstoLaure,whoisbeingtreatedinaPolicerehabilitationcenter.Nowinchargeoftheunit,GiloubeginsinvestigatingwithAli,ayoungcop,freshoutoftraining.Theyquicklyfindthemselvesonthecaseofabreak-ingonewrongandthetrailof15-year-oldRyan,ajuveniledelinquent.RobanlearnshemustsoonretirebutstillmanagestooverseetheHervillecase.Awaitingtrail,Joséphinestruggleswithlifeinprison.