One day, the mother sneaks into her sleeping son's room and discovers his crotch clearly swollen with arousal. Touching his thick, powerful penis—something she hasn't seen in a long time—she is overwhelmed by uncontrollable desire. Unable to resist, she begins masturbating while giving him a blowjob. Awakening once more to sexual stimulation at the age of fifty, the mother is consumed and tormented by her irresistible lust.