The Kanto Hell Earthquake has demolished the metropolis completely. After the earthquake, the Slum King kidnaps girls to sell them off as sex slaves. Mari is wandering on a devastated field looking for her lover Ken. But she is also kidnapped by them. While she is tortured and trained as a sex slave, Ken saves her. Ken has to become a member of Slum King's gang, but the king sets one condition; in return for releasing Mari, Ken has to kill Violence Jack.

The world as we know it has been torn apart, shattered by a series of natural disasters that have turned civilization into a brutish nightmare of survival and has left whole cities buried beneath the Earth. It is now a dangerous and chaotic place, a place where only the strongest and most savage remain alive. The strongest of them all is a giant warrior known as Violence Jack... Violence Jack tries to avert a civil war brewing among the wretched inhabitants of a subterranean metropolis called Evil Town.

The survivors of Kanto's Hell Earthquake built a new city and christened it Hope Town. However, this peaceful town becomes a nightmare when it is raided by the motorcycle gang, Hell's Wind. They abduct the women while the remaining townsfolk are left helpless against them. Meanwhile, a boy, Subaro, meets Jun. Jun's lover was previously murdered, and the duo help one another to fight against Hell's Wind. The battles are getting more and more difficult, but with the appearance of Violence Jack, the citizens seem to gain the upper hand against Hell's Wind. Yet...