Earth in the 21st century has become a land inhabited by monsters mutants and demons who roam the land hunting for humans. However there are two humans left who can help to protect mankind. Taught the ancient Zero fighting technique by their father Kakugo and Harara have the ability to restore hope and peace to Earth. But as some are wont to do Harara succumbs to the evil within himself killing their father and leaving Kakugo for dead. However he survives and sets out to help the few remaining human inhabitants of Earth only to encounter his brother again and set off an epic battle between the estranged siblings. Contains both episodes of the series.