Three stepsisters (Jane Wilde, Maddy May, Maya Woulfe) are shocked by the cost of raising a family and are filled with admiration for their single stepmom, Penny Barber. They express their love and admiration to her and want to give her something special, but they're not sure what they could possibly offer.After some hesitation, Penny admits that, now that they're all beautiful young women, she's had naughty thoughts about a foursome. To her shock and delight, her stepdaughters are more than happy to fulfill such a fantasy, leading to sensual sex with a tantalizing three-on-one dynamic.