.After completing Katherine Gibbs Secretarial School, Andrea Davies takes a position at a large New York Advertising Firm, admittedly there to find a husband and secure a life as a well-to-do, country club socialite. Andrea meets Richard Hayes, one of the firm's partners and a inexplicable attraction takes hold. To everyone Richard is the kind and respectful executive with tragic home life. He is the devoted husband to Margaret, a dangerous "lunatic" who is in and out of psychiatric hospitals. A growing attraction between Richard and Andrea intensifies when she is promoted to his secretary. When Andrea turns her attention to another marriage prospect, Richard quickly reveals a sinister, unpredictable side that naive Andrea interprets as unbridled passion, fueling her romantic delusions of "love at any cost."The Diarist, explores the darker side of the human psyche and the terrifying consequences of indulging in base desires.