Morty, always eager for adventure, stumbles upon Beth's porn collection while she's out. Unable to resist, he plays one, watching intently as a busty MILF gets pounded by a well-endowed stud. His curiosity piqued, Morty starts to stroke his own growing cock. Caught in the act by Beth, she's initially angry but then, with a mischievous grin, decides to join him, teaching her innocent brother the ways of pleasure.