In a quiet countryside home surrounded by the scent of rice fields, a farming mother and son carry on with their daily lives. Kumi, the mother, heads to the fields each morning, harvesting fresh vegetables in abundance before returning home. As usual, a man from Mikawa-ya stops by to collect her order, and while turning her back to her son Aki, Kumi secretly continues her affair with him. But this time, Aki catches them in the act, leaving him deeply shaken. Sensing his mother's loneliness in the absence of his father, Aki resolves to support and protect Kumi. Amid the peaceful rural routine, turbulent emotions begin to stir.