The story tells of a young woman admitting to having blackouts, fearing they are getting worse. She is diagnosed as suffering from multiple personalities, as a result of severe abuse at the hands of her mother, whom her psychiatrist, Cornelia Wilbur, believes was schizophrenic. The movie Sibyl is based upon author Flora Rheta Schreiber's biography of Shirley Ardell Mason, an American psychiatric patient, suffering from multiple personality disorder. The book, also called Sibyl, was in its turn based largely on the actual accounts of psychiatric treatment that Shirley Ardell Mason underwent, documented by American psychiatrist Cornelia Wilbur Written by Jim Berg

It's 1928 in oil rich southeast Kansas. High school seniors Bud Stamper and Deanie Loomis are in love with each other. Bud, the popular football captain, and Deanie, the sensitive soul, are "good" kids who have only gone as far as kissing. Unspoken to each other, they expect to get married to each other one day. But both face pressures within the relationship, Bud who has the urges to go farther despite knowing in his heart that if they do that Deanie will end up with a reputation like his own sister, Ginny Stamper, known as the loose, immoral party girl, and Deanie who will do anything to hold onto Bud regardless of the consequences. They also face pressures from their parents who have their own expectation for their offspring. Bud's overbearing father, Ace Stamper, the local oil baron, does not believe Bud can do wrong and expects him to go to Yale after graduation, which does not fit within Bud's own expectations for himself. And the money and image conscious Mrs. Loomis just wants... Written by Huggo