Due to his wife's busy work schedule, the husband's mother-in-law has moved in to help with household chores. With his wife away on a company retreat for the weekend, he finds himself alone with her. Seeking to deepen their relationship, he plans to seduce her by watching movies and then showing her adult videos. Though she acts embarrassed, there may be hidden curiosity deep within her heart. Taking advantage of this opportunity, he begins putting his plan into motion to advance their relationship. This is the story of a son-in-law who desires a sexual relationship with his mother-in-law while his wife is away—the moment his scheme to arouse her begins.