Full of middle-aged men's dreams! A taboo that occurred in a rural house. A mistress is taken by her patron to live a carnal life in the countryside. One day, her patron suddenly disappears and she is left behind. In order to ease her loneliness, the woman ends up having a physical relationship with the elderly man who is taking care of her... Just like a bird in a cage... the woman cannot bear the loneliness and lust and steps into the forbidden hell of carnal desire...