Rain lashes the windows while inside mom teaches son about sex, a shy bookworm transforms into an insatiable slut. mom teaches son about sex starts innocently—reading erotica on the couch—but soon she’s hiking up her skirt and fucking herself with the thick spine of a hardcover. The storm outside mirrors her building frenzy in mom teaches son about sex; lightning flashes illuminate her spread legs and soaked fingers plunging deep. When the power cuts out, mom teaches son about sex switches to night-vision green, catching her final explosive orgasm in raw detail as thunder drowns her cries. mom teaches son about sex ends with her curled up under a blanket, spent and glowing.