At Forrest University's 25-year reunion, Glenn Howard encounters the beautiful, troubled Edwina Booker who claims Howard jilted her at the senior prom. After a late-night tryst she vanishes, leaving Howard to ponder her background. He soon learns from local authorities that Edwina Booker has been dead for 25 years!
Glenn Howard, while driving to a Pollution Summit meeting, falls unconscious and finds himself somehow in the future year 2017 where remaining society lives underground due to contaminated air. Can he somehow return to 1971?