Molly and her half brother Kenny are obsessed with a Niagara folktale about an Indian girl who is sacrificed in the Falls. Then Kenny lunges to his death on the night of their high school graduation, and Molly, in despair, marries Kenny's best friend and flees to Southern California. Molly becomes a drunk, while her husband flourishes as a San Bernadino car salesman. Forced to return home for her father's funeral, Molly uncovers a different version...