Thrown out of a gold Cadillac in a guitar case one night (strongly suggesting that he is the illegitimate child of Elvis Presley, as well as casting Presley in a rather unfortunate light), Li'l Elvis is raised by Grace and Len, fervent Elvis fans who run an outback diner in the small town of Wannapoo. The problems arise when the world's 'nicest billionaire' W.C. Moore decides to turn Wannapoo into a 1950s' theme town called Li'l Memphis. Every day, L'il Elvis and his Truckstoppers play sets that knock the audience dead, but L'il Elvis secretly wishes he could be a normal kid. But if they stop playing, the tourists stop coming, and Moore calls in everyone's outstanding loans ...