Julia James approaches her two stepmoms, Wendy Raine and Gigi Dior, about letting her babysitter, Ophelia Fae, into the family as her 'big sibling.' The stepmoms are shocked and nervous at first, revealing that the stepmoms and Julia are in a secret sexual relationship. However, Ophelia thinks this is hot and is why she wants to be part of the family! After some convincing, the stepmoms give in, which leads to a steamy foursome as they welcome Ophelia into the family.