Set in Okinawa 1971, one year before the return of power to the mainland, this film highlights the bloody battle of Okinawa Yakuza gangsters versus mainland system.Set in Okinawa 1971, one year before the return of power to the mainland, this film highlights the bloody battle of Okinawa Yakuza gangsters versus mainland system.Set in Okinawa 1971, one year before the return of power to the mainland, this film highlights the bloody battle of Okinawa Yakuza gangsters versus mainland system.