A husband is working overtime every day because his personnel evaluation is coming up. But next week, the husband and his boss are going on a business trip to the countryside, and for some reason, the boss has asked his wife, a full-time housewife, to accompany him. Although she is not happy, she agrees. The following week, the wife reluctantly visits a hot spring resort in the mountains and pours drinks for her boss, who is a bully. But afterwards, the boss tricks her into giving her a drug that makes her sleepy, and she falls asleep in her defenseless yukata robes...!