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Harlan Williams is an elderly janitor who is caught in an explosion in the laboratory where he works and suffers strange side effects.

Harlan Williams's and his wife Gina begins to notice that he is getting younger and that old scars are healing as a result of his accident. He returns to work and dyes his hair white in an effort to conceal what is happening to him. This does not stop Shop agent Jude Andrews from becoming suspicious.

Jude Andrews is convinced that Harlan is the key to the fountain of youth.

The three fugitives first avoid local police and then decide to split up in order to be less conspicuous.

Jude Andrews continues his pursuit and consolidates his position at the research center while Dr. Toddhunter works to recreate his research despite showing serious signs of mental illness.

Harlan is traveling more slowly. His eyes begin to glow green at times and he uncontrollably causes earthquakes. Harlan eventually reaches Francie's house with Jude Andrews close in pursuit.

Harlan, Terry, Gina, and General Crewes head to a safe house lead by one of Francie's former anti-establishment hippie friends.