Set within the devastated city of Eight City, the Eight Rangers protect the city and go against the evil Dark Kuruseido.

To combat rising crime and terrorist activities in Japan, the Japanese National Police Agency authorizes the formation of a secret motorcycle unit known as the Wild 7. The motley group consists of reformed convicts - ranging from simple thugs to former Yakuza members. The Wild 7 are tasked to take out criminals the police cannot touch - due to the criminal's connections with politicians and wily lawyers.

Set five years after first film "Eight Ranger". A new threat appears for Eight City and its protectors Eight Ranger.