曾经名震加贺藩的剑术师傅的斑目久太郎(北村一辉 饰),被人称作“斑鬼”。然而他早已威风不再,为求生计而告别妻女,独自来到江户寻找新的门庭。人生最落魄的时候,斑目盘桓在江户的长屋中,考糊雨伞勉强度日。这一天,几个流氓找上门来。对方来自米泽一家,米泽一家的老大爱狗如命,三十年前曾和亲猫派的相泽一家结下梁子。如今新的奉行是亲猫派,甚至因此要和相泽结下猫亲家。为了避免被倾轧的命运,米泽一方花五两雇佣斑目杀掉对方老大的爱猫玉之丞。人穷志短,斑目结下这桩不入流的委托,当他高高举起武士之刀时,却被玉之丞超萌的大眼睛所融化…… 本片为同名电视剧的剧场版。Masterless Samurai Kyutaro Madarame is hired by a dog-loving gang to get rid of their rival gang's beloved pet, an adorable white cat. Upon raising his sword, however, he cannot bring himself to go through with the act and the cat melts his heart.