A mysterious rock band, "Net Slave," suddenly emerges into the music scene. Their live events frequently set off riots among the audience. Back Stage discovers a frequency embedded into the music that triggers destructive behavior. They also discover the band was assembled by Cain. The band's free concert is about to go live on the internet. Alex is called to pilot Blader to prevent the concert, but she and her friend happen to be in the crowd heading to the concert!