O! Jackie explores the private life of Jackie Kennedy, her heartbreaking struggles, difficult relationships, and deep desire to end JFK's wandering ways. As a faithful wife devoted to an unfaithful husband, Jackie knew humiliation well. Living in the public eye intensified her disgrace. Through the years, Jack Kennedy's lustful escapades grew in carelessness and frquency. When his trysts with Marilyn Monroe threaten to become public, Jackie must decide how far she'll go to save the presidency and her marriage.