Detective Charlie Hudson teams up with what he calls his "highly trained law enforcement animal" German Shepherd dog named Rex who he prefers to team up with because he doesn't talk his ear ...

Teresa的男朋友Jimmy亲眼目睹了叔叔死在一个女杀手（李施嬅SelenaLee饰）的枪口下，两人因此成了她的追捕对象。Jo的警局搭档Evan警官（文峰ByronMann饰）介入调查，发现女杀手竟是自己的旧相识，这让事情变得复杂了起来，而她似乎也是迫不得已才动手杀人。同时，Jo警探从温哥华来到中国深圳，遇见了自己的生母和兄妹（周璇孙女周多多饰），却发现那不是她想象中的美满家庭…...

HUDSONandREXisanaction-packedone-hourpoliceproceduraldramafocusedonthepartnershipbetweendetectiveCharlieHudsonandhispartnerRex,anextraordinaryformerK9dog.Whenapuzzlingcrimeemerges,thedynamicduoareonth...