Maki lives a life where she and her husband pass each other due to work. - Even when she tells her husband that she won't be home for a while due to employee training, her husband doesn't respond and the relationship is lonely... - And on the day of the training trip. - His boss Ozawa, whom he admires, is also present, and the event during the trip is so exciting that he and Maki and his subordinates end up having drinks in Ozawa's hotel room. - However, the other employees gradually become tired and fall asleep, leaving only Maki and Ozawa awake. - Eventually, the two of them cross the line due to their drunkenness...