Lisa, who has taken on the care of her stubborn father-in-law who refuses to enter a nursing home. However, she is attacked by the old man's sexual harassment and humiliation play! She is asked to chew his food and let him lick her tongue to her heart's content, and to take care of her son who has become energetic. In the end, she is even made to urinate in front of her, and Lisa falls into pleasure along with her shame...