A hard-on-his-luck hound Hank (Michael Cera) finds himself in a town full of cats who need a hero to defend them from a ruthless villain's (Ricky Gervais) evil plot to wipe their village off the map. With help from a reluctant teacher (Samuel L. Jackson) to train him, our underdog must assume the role of town samurai and team up with the villagers to save the day.