Jimmy 'Guitar' Velvet isn't even a has-been; he's a never-was. After a short trip to the bottom of a river, Jimmy is about to undertake the adventure of a lifetime. The celestial bureaucracy ships him to Rock 'n Roll Heaven, where he meets the true icons of rock 'n roll - and learns that even 'heaven' is relative. But, what impact can a small-timer like Jimmy make on the biggest stage in the universe?