Mio and her husband have been married for two years. Mio feels unsatisfied with her husband, who is kind and sincere, but not manly. Meanwhile, a colleague from her husband's company comes over to her house Mio. The colleague has feelings for Mio and tries to get her to have a relationship with Mio while her husband is away. Mio resists at first, but she is drawn to the Mio of her colleague, which her husband does not have.