With the hospital director election approaching, Reiko is forced to take a job at a hot pot restaurant where she must work without underwear, in order to uncover internal conflicts within the Oshima faction her husband belongs to. Though persuaded it's for her husband's sake, enduring constant stares from customers becomes unbearable, pushing her to her limit. One day, members of the Oshima group arrive at the restaurant accompanied by a pharmaceutical company executive. Despite being subjected to sexual harassment, Reiko gradually uncovers their conspiracy, believing she may finally escape this humiliating workplace—only to face an unexpected turn of events.