Roppeita is big in size, clumsy and full of energy. When his grandfather orders him to move out to Tokyo to save a sinking milk delivery business a distant relative of his runs, he encounters the most strangest of clientele.
Takashi, who took the blame when his father shot a gangster, returns home after serving a four-year sentence, only to find it infested with yakuza running a dope ring. Battling gangsters all the way, Takashi searches for his former girlfriend, now a drug addict.
At about the same time as lwami, president of a Tokyo company is murdered by an unknown assailant, it happens that an urgent call has been received from an airline company's office on remote Hachijo Island for a special serum. A Cessna aircraft which has been chartered by a man named Ohashi takes...
Story of a resourceful hobo (Kobayashi), a con woman (Takamine) who pretends to be a victim of the Nagasaki A-bomb, and two orphaned children who become a most atypical Japanese family.