Mother Aoi who entertains her son's friends Kawada and Kobashi who came to stay at the farewell party of her son who is studying abroad. Late at night, Kobashi senses someone's presence and peeks into her bedroom to find Aoi and Kawata making love. Aoi and her friends intertwine with her desires, threatening to tell her son. Aoi refused at first, but her forgotten woman's desire was ignited and she drowned in her young body.
