Your wife's sister lives in the same house as you and your wife. One day your wife said that she was going on a business trip to work in other places, and she would not go home today, but when you came home late after working overtime, when you went to your room to rest, you found that the lights in your room were turned off very darkly, and you found that your wife It seems that there is no business trip, because there is a woman who looks like your wife lying asleep on your bed in your room...