A mother and a child who lived in harmony despite their poverty. Eventually, the grown son will come to see his mother not as a parent but as a woman. On the other hand, the desire of a woman was popping out in the depths of her body, even without her realizing it. One day, the mother who found her son's underwear stained with semen unconsciously smelled it and masturbated without being able to hold back her feelings. And the son who saw such a mother's foolishness exceeded the limit of patience ….