For the life of me, I cannot remember the name of this story. Hoping someone can help.

Basic theme. Woman has never cheated before. She becomes dominated by a co-worker in her office. The co-worker comes to her office almost every day to have her, even having her call her husband on the phone while he is taking her. The co-worker is eventually laid off, and the dominated wife gets her husband to give him a job at the husband's company. The co-worker eventually begins taking the wife to his house where he films and shares her with others.