When her husband discovers he is infertile, Mary, a wife, ends up having sex with another man and becoming pregnant. The man her husband introduces her to is a dull bachelor who lives on the outskirts of town. Mary can't hide her disgust, but she unexpectedly climaxes when a huge amount of semen is poured into her uterus during a raw creampie. To ensure she is pregnant, the man has been saving up his sperm for a month. Before she even has time to feel embarrassed about the thick semen gushing out of her pussy with a bubbling backflow, the impregnating sex continues over and over again. Gradually, Mary's body is consumed by the pleasure of being a woman, and she forgets about her husband as she becomes immersed in the intense insemination...