Lina Inverse and Naga the White Serpent are back! What begins as a routine bandit-stomping turns into the adventure of a lifetime involving magical golems, an ancient Elven weapon and even someone bent on destroying the world. It's a predicament only Lina and Naga could get themselves in to.

Several hundred years after Anthrasax destroyed modern civilization, a group of four lords plans to set this old god free once again. To prevent this from happening, a former ally of the four is released from his 15 year imprisonment. Dark Schneider, a sorcerer who once tried to conquer the world, now fights to save it.

Out of the blue, monsters usually living beneath the Earth’s surface began to attack the terrestrial world. They were called the Underground Hades Empire Infershia. The Ozu Siblings of Makito, Houka, Urara, Tsubasa, and Kai hear from their mother, Miyuki, that they are the Magicians of Justice to stand against the Infershia. The siblings are perplexed by such an unexpected event. However, without hesitation, Miyuki charges at the Infershia, and the Ozu Siblings are forced to come together to fight as one.

Ryu Suzaku (Rick Wheeler) was a police detective who got into a near-fatal car accident while pursuing the criminal Zoda. He was placed into artificial coldsleep for 150 years. Ryu is brought back to life by Jody Summer and Dr. Stewart, who work with a group of good racers who try to keep prize money out of the hands of unsavory people like the Dark Million Organization run by Black Shadow and Deathborn, including a revived Zoda.