When a crime boss becomes obsessed with his cat, his goons hire a samurai desperate for cash to kill the kitty, which they believe is a goblin cat possessed by a human soul.
原加賀蕃劍師斑目久太郎(北村一輝)人稱“斑鬼”,過去人聞其名而喪膽,如今他卻成為了窮困潦倒的浪人獨自隱居於鬼燈長屋。某日,和服店加賀屋的掌櫃無意目睹了久太郎高超劍術,便懇求他去暗殺深受其主人與左衛門寵愛的白貓玉之丞,久太郎雖一臉難色覺其理由荒謬至極,但在報酬三兩錢的誘惑下痛快答應下來。他尋找貓妖並準備下手時,一直可愛的胖胖的白貓喵喵叫著,泛著無邪的雙瞳望向了他。