The plot is not very complex, as much of the action and drama of the film relies on musical interludes, character interactions, and commentary on the class system in the film's fictional universe. What plot there is follows groups of rival biker gangs in a dystopian future who are attempting to rebel against the construction of a massive power plant in "their" part of Tokyo.

A young boy gets jolted with electricity as he's climbing a tall cable pylon. As he gets older, he experiences intense fits of violence in which bolts of electricity burt from his fists. Elsewhere in Tokyo, there is an electronics wizard who also happens to be a vigilante with a taste for electric weapons. When the pair catch each other's attention, the result is a battle that will light up the city.