When the mother-in-law meets her son's wife, her lesbian tendencies are resurrected, and one night when they are alone, she sneaks into her daughter-in-law's bed, kisses her sleeping daughter-in-law, and gropes her breasts. The daughter-in-law tries to reject him, but her caresses arouse her and she ends up accepting them. The mother-in-law then licks her daughter-in-law's beautiful skin and firm breasts, using her exquisite finger and tongue techniques to give her unbelievable pleasure while also climaxing over and over again. A sensual lesbian drama spanning four episodes and 200 minutes, featuring four pairs of mothers-in-law and daughters-in-law who become addicted to the pleasure of forbidden lesbian sex.