Mommy can't catch Daddy's friend and stepdaughter just in time

Mommy cannot see, she doesn't know what's happening in her own home. Daddy's friend and his stepdaughter sneak around, trying to stay out of Mommy's watchful eye. Met by the stepdaughter's father's friend, the forbidden encounter goes on to be a steaming session between innocent and father's friend. An old and YOUNG DESIRE taboo.