Yuko Adachi: esposa madura en celo a los 50 años - parte 2

Yuko remarried her husband's best friend. Her son-in-law is repulsed by Yuko's mother-in-law, but is frustrated by his own growing attraction to her. One day, Yuko has with her son and ends up having relations with him. When Yuko gets to know a young man, she forgets that she is a wife and a mother-in-law, and changes into a "woman.