A husband loves his wife Yuri, but perhaps due to age, his body is not keeping up. Not wanting to be abandoned by Yuri, he decides to turn to drugs, but unfortunately Yuri and her son drink a drink laced with an aphrodisiac... Her face turns red, Hitomi water, and her womb throbs with desire for him right now. Her cock stands tall, even though he hasn't done anything. Confused by his body becoming aroused against his will, mother and son embark on a forbidden relationship...