A US politician (Sam Waterston) visits his poet friend (John Heard) in Mont. St. Michael, France. While walking through the medieval island discussing their philosophies of life they happen upon Sonja (Liv Ullman), a scientist in recluse, who joins in their conversation. The two men listen to the ideas of this brilliant woman and discuss how her ideas can work in their own politician and poet lives.
Desperate for companionship on a post apocalyptic Halloween night, the Last Girl on Earth gets more than she bargained for, when something far more sinister arrives on her doorstep.
A narcotics officer faces a personal crisis when his teenage daughter becomes addicted to drugs. After trying various approaches to help her, he leaves law enforcement to create a women's recovery center.