Ran became pregnant and gave birth to her son at the age of 16... She has been raising her son, conceived as a result of youthful folly, all by herself. She works night jobs to support the family, and her son grows up to attend part-time school. However, Ran had no idea that her son was beginning to become aware of her as a woman. Her son is attracted to his mother, Ran, who is still a young and beautiful woman. His desire to have his mother all to himself turns into an obscene desire and he attacks Ran. Ran resists her son's actions, but when her son, who has grown into a fine man, plays with her sexually frustrated body, she gets wet between the legs...