Marika who decided to live together due to the convenience of her daughter and her husband. The daughter and her husband are constantly arguing about work and child-rearing, and their night life is not going well. Her son-in-law solved her sexual desire with Marika's underwear. One night, her son-in-law sneaks into Marika's bedroom. I opened the sleeping Marika's legs and put her mouth on her vagina. Marika wakes up noticing a change in her lower body. A son-in-law complaining, "Mother-in-law, I can't stand it." Marika, who knew the awkward relationship between her daughter and her husband, became pitiful and accepted her son-in-law...
