In the 15th Century, France is a defeated and ruined nation after the One Hundred Years War against England. The fourteen-year-old farm girl Joan of Arc claims to hear voices from Heaven asking her to lead God's Army against Orleans and crowning the weak Dauphin Charles VII as King of France. Joan gathers the people with her faith, forms an army, and conquers Orleans.

Jess Robin dreams of a career in popular music, but his father, Cantor Rabinovitch, forbids it, insisting Jess live as a traditional Jew and inherit his position at the synagogue. With the help of friend and professional musician Bubba, Jess gets a chance to go to Los Angeles and have famous singer Keith Lennox record one of his songs. Defying both his father and his wife, Jess leaves New York to pursue his dreams.

After returning home from the Vietnam War, veteran Jacob Singer struggles to maintain his sanity. Plagued by hallucinations and flashbacks, Singer rapidly falls apart as the world and people around him morph and twist into disturbing images. His girlfriend, Jezzie, and ex-wife, Sarah, try to help, but to little avail. Even Singer's chiropractor friend, Louis, fails to reach him as he descends into madness.