Despite their busy lives, Tomomi and her kind, warm-hearted husband have built a happy home together. One sweltering summer day, while out running errands, Tomomi falls ill and is noticed by Yasui, a passing scrap collector, who offers to drive her home. Though he's never shown much interest in women before, Yasui becomes captivated by her elegant and alluring presence as a married woman. Their encounter seems like a mere chance meeting at first, yet unexpected emotions begin to stir beneath the surface. From this sudden disruption to her quiet daily life, a new and forbidden romance starts to unfold.