A thug offers to pay a law student's gambling debt if the student will accompany him on a trip across Tokyo.

Suzume Katagura, a bored housewife, spends her days doing chores and taking care of her husband's pet turtle. One day, she sees a wanted ad for spies. Hoping for some excitement in her life, she decides to give them a call.

故事发生在某个炎热的夏季，隆介、平市、果步三个游手好闲的家伙正在动脑筋琢磨不工作就能过下去的办法。人活着必须吃饭，如果什么都能吃得下，那就不用工作赚钱了。经过逻辑推断后，三人竟然认认真真地练起了什么都吃的本领。
这天，他们为了打发时间去了猫老头家。猫老头告诉他们，如果想混日子可以去印度。三人对这个富有独特魅力的国度发生了兴趣。