Just before Christmas, when the city is bursting with excitement, single women find themselves unable to bear their loneliness. This forbidden investigation project creeps into the gaps in their hearts. Trying to fill their loneliness with pleasure, the women surprisingly easily let down their guard with sweet words and forceful invitations. In a hotel room, their bodies entwine passionately as if to forget the loneliness of Christmas. The expressions of relief and ecstasy on the women's faces as their frozen bodies are filled with hot semen are more stimulating than any present.