In the barren dust of the far future, the sun leaks energy in a darkening sky and the only remaining humans are imprisoned by spectral, bloodthirsty beings. Back in the brilliant Utah sunlight of 1999, two ancient graves yield evidence that a species of human coexisted with the dinosaurs . . . Linking these scenarios is impetuous inventor Joe Bodenland, who has just created a machine that manipulates time to dispose of hazardous waste . . .