She has been finding her panties in her step-son s room and has realized he has a panty fetish. So, she decides to make him a pair, filled with her pussy juice, so he will stop taking hers. She masturbates and finger fucks herself into several orgasms as he watches. He now gets hard and wants to fuck, which was the point of her plan, so she gives him a blowjob and rides him cowgirl till she gets a creampie. Exactly what she really wanted.
