Virginia Cunningham (de havilland) appeared to have had an idyllic life - a nice home, a loving husband and prospects for a sriting career. But, something just wasn't right. Confusion, doubts about her husband's love, even violent outbursts led Virginia to be confined in a mental institution. She is put through a series of brutal treatments, including being forced into close quarters with patients whose disorders far exceed her own. The belief - the shock of the experience will return her to sanity.