OfficerJohnCooperreturnstodutyafterrecoveringfrombacksurgeryandmeetshisnewpartner,OfficerJessicaTang,atoughanddisciplinedcopwithherownsetofbaggagefromworkingthestreets.Lydia,whosenewpartnerisRubenRobinson,cantstayinsafety.Ben,SammyandDeweychaseanarmedmanintoanelementaryschool,whileBenbumpsheadswithanintensestreetcopwhosecynicalattitudeisaffectingtheirwork.
