When Snafu gets his wish to have his personal mail uncensored by the military, he inadvertently reveals military secrets that lead to disaster.

宁静的夜晚，快乐的恶流浪汉——黑猫巴奇（Butch）正雄赳赳气昂昂地从垃圾堆中捡走过，他推着一辆破婴儿车，俨然超市的购物车。每走过一个垃圾桶，巴奇都要翻腾一遍寻找残羹冷炙。这时，他的目光被大房子门前的牛奶所吸引。他悄悄走过去…