In“Muzzle:CityofWolves,”JakeRosser(Eckhart),hauntedbyPTSDfromhisdaysasaK-9officer,endeavorstoleadapeacefullifewithhisfamilyandretiredK-9companion,Socks.Butthetranquilityquicklydissolveswhenaruthlessgangtargetstheminabrutalattack.Determinedtoprotecthislovedones,JakeandhisnewK-9partnerArgosdelveintoaviolentunderbelly..我算过命,先生说我五行缺一样东西,我一问,原来是缺一个叫“你”的女朋友