Hinano, a married woman, attends a long-overdue class reunion and drinks with her friends. At the first bar, she finds herself attracted to a handsome employee. Before she realizes it, her friends have disappeared and she's missed the last train. The one who finds her stranded on the street is the same bartender from earlier. Unable to leave her alone, he decides to take her to his place to look after her. But along the way, seeing her blouse come undone, he can no longer suppress his desire and gives in to temptation... An unexpected encounter pulls them both into a whirlwind of adult emotions.