It’s Grandpa Jack’s birthday and his step-granddaughter Myra decides to celebrate big time! The man is happy, but he feels kinda lonely and unsatisfied because it’s been a long time since a woman pleased him sexually just like he used to. Touched, Myra decides that she can give her sweet pawpaw the gift he truly desires: filthy and sneaky sex all over the place! Yet, there’s just one catch: she needs to avoid getting caught by Ziggy, her vigilant mother.