Evil feline villain Ika Chu (Ricky Gervais) and his henchman Ohga (George Takei) set out to put a terrifying plan in motion that could wipe out the town of Kakamucho. The task of combating this danger is taken up by Hank (Michael Cera), a dog who dreams of being a great samurai. He ends up convincing Jimbo (Samuel L. Jackson), a cat who was once a great warrior, to become his mentor, which starts an incredible friendship between the two.