The father-in-law is eager to see his grandchild's face, but his son is sexually impotent. In this frustrating situation, he secretly consults his wife Julia about having a child, and even gives her a lecture on breast milk after giving birth. His actions escalate, and he ends up cumming inside Julia in an attempt to impregnate her in place of his impotent son! Julia is seduced by the aphrodisiac and begs him to "get pregnant with my child!", and he has sex with her over and over again, cumming inside her! The father-in-law's insane, insatiable cock roars!