Inosuke, a former gangster, and his friends struggle to make a living as simple fishermen in this tale of chivalry and friendship among yakuza in the northern regions.
In order to put an end to the numerous ambushes on the gold transports which are a real menace to the finances of the American government, the agent Joe Ford, called Dynamite Joe due to his liking for explosives, is entrusted with controlling the next transfer.
A jewel thief crosses paths with a woman carrying a briefcase that the Americans, the Russians and the Chinese all want desperately, so he goes on the run with her figuring that what's inside the case has to be way more valuable than anything he could steal on his own.
A wild, freewheeling spoof on motorcycle gangs in which tough-looking cyclists, who roam the highways on invisible bikes leaving visible tire tracks, pick up a girl hitchhiker encounter another gang.