齿轮第七季是由弗雷德里克·雅尔丹  执导，Caroline Proust  Thierry Godard  奥德雷·弗勒罗  Philippe Duclos  Hervé Rey  尼古拉斯·布赖恩松  艾米丽·加瓦·卡恩  Florent Hill  等人主演的，于2019年上映，该欧美剧讲述的是：

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