A call to an escort service brings him face-to-face with the painfully serious accountant who always rejects his expense claims. She is moonlighting to survive on her low salary, and after he pressures her into sex to buy his silence, the balance of power flips. His repeated bookings turn their warped arrangement into a nonstop fuck-buddy relationship at home and around the office, revealing that the rigid keeper of the company books is far kinkier than anyone imagined.