An unhappy wife uses her powers of manipulation to draw an infatuated man into an ill-fated jewelry heist.In Los Angeles, salesman E.V. 'Marsh' Marshall works for wealthy real-estate developer Ralph Nevins. In his spare time he sleeps with his boss' wife, Pauline Nevins. She was saved from poverty by Ralph when they married but Ralph is much older than her and she hates him. Of course, she loves his money and that's why she doesn't leave him for the much younger office hunk Marsh. Despite the secret affair, Marsh respects his boss who gives him promotions and praises. Nevertheless, he would elope with his boss' wife but she wouldn't hear of it. Love is one thing but a return to a life without luxuries is another. At the office, Ralph Nevins' secretary, young Kathy Stevens, secretly loves office beau Marsh but she is too shy to reveal her feelings. She would later play a crucial role in a murder investigation involving the main characters. During one of their secret interludes under the moon, Marsh and Pauline Nevins witness a discussion between three shady men who are planning to steal ...