The Danger Rangers must snap Sully back into reality and save Hollywood from the dangerously loud music of the new rock band The Decibulls which is shaking up the buildings enough to cause hazards. Burt discovers that the CDs by the Decibulls have been made so they can't be turned down by The Decibulls' manager Buck Huckster and bodyguard Knuckles who wants their music to be loud in the musical competition.