Ai is a flawless employee at a midsize parts manufacturer and the object of admiration throughout her department. She is secretly engaged to her junior coworker Kimura, but Naito, the boss who has mentored her since she joined the company, discovers their relationship. Having secretly desired Ai all along, he arranges a weeklong out-of-town training trip under the pretense of a new project. He then uses his authority over Kimura's career to coerce her into surrendering her body.