Stewart "Hoagy" Hoag is thrilled after a meeting with his editor, Norma, where she predicts his new book is sure to establish him as the next great American author. But his happiness is short-lived when at his next meeting with Norma she asks for his help in discovering who is behind a series of increasingly threatening letters sent to her attention. Norma herself is not overly concerned about the letters but her boyfriend, Detective Lieutenant Romaine...