小镇盗窃案频频发生,一只梦想成为大侦探的猫咪为了找出真凶决定离家出走。旅途中的她遇到了一只自认风度翩翩的公鸡,一只梦想成为马戏团明星的驴,一只仇恨人类的守门狗。四只小动物历经磨合,即将找出真凶时,却被误认为是偷窃真凶。他们该如何证明清白,如何守护友谊和梦想……Four crazy antiheroes on the run. Their leader is the unworldly innocent, naive Marnie, a house cat who is not allowed to leave the house and only knows about real life from television. Based loosely on Grimms "The Bremen Town Musicians" a modern, hilarious road movie is told.