The wife is away on a trip, leaving the mother-in-law and her son-in-law alone together. The son-in-law, who wants to have a physical relationship with his mother-in-law, tries to seduce her while helping out or giving massages, but he's too serious and it's boring. So, he decides to make his mother-in-law interested, inviting her to watch a movie during chores, and pretends to accidentally play an AV…
