When her salaryman husband is called away on a business trip out of town next week, his part-time wife is inexplicably ordered to accompany him by his boss... Though she's unhappy about it, her husband begs her to go, saying it's crucial for his important promotion review, so she reluctantly agrees. The following week, despite her reluctance, they arrive at a secluded hot spring inn in the mountains. There, the wife is asked by her husband's boss for indecent hospitality. Though she reluctantly pours drinks, she's drugged by the boss's scheme and falls asleep... !
