Nathan Bronson struggles with his finance homework, and his stepsister Molly Little tries to explain it to him. Despite her efforts, Nathan's understanding is limited. Molly disappears, and she returns disguised as a seductive teacher. She explains the system slowly and carefully, using her stepbro's dick as an example. When Nathan offers to deposit money into her pussy, Molly opens a new account, demonstrating her ability to teach finance in a hands-on manner.
On Fourth of July, Madison Summers and Freya Parker prepare for a patriotic celebration. Ricky Spanish, Madison's stepbrother, arrives and asks if he can attend. They refuse, but Ricky offers to bring more pyrotechnics. They discover a box with a dick inside, and Freya enjoys it. Madison offers to fuck Ricky while she watches, and Freya sucks his dick. Madison tries to resist, but Freya lets go of the dick, and Madison squeals with joy. Madison embraces Ricky, and Freya helps her get off. Madison admits she isn't using birth control, and Freya slurps the sperm out of her.
Tony Lovelock, a stepbrother, enjoys the scent of his stepsister's soiled pants. Chloe Temple, Tony's stepbrother, is unaware of this and scolds him for wearing her unclean clothes. Chloe apologizes and promises to give Tony a taste of her twat. Chloe finds it astonishing that Tony eats her alive, and she tells him he can fuck her if he wants to. They head to the bedroom, where Chloe kneels over him and holds his penis. Chloe gives Tony a cowgirl ride back inside, and she groans when she discovers Tony has serious moves. Chloe backpedals Tony onto his back and enjoys a titty-bouncing ride in reverse cowgirl mode.
Brittany Bardot, a hot and lustful woman, manipulates events to seek help from her stepson, Charlie Dean. They engage in physical affection, with Charlie snagging his hairy coochie and consuming it. Brittany then climbs to the top and gives Charlie a cowgirl ride. After a brief canine playtime, Charlie gives her the cream pie she needs to be happy.
Juan Loco is excited about the end of Christmas and his numerous stepsisters. His stepsister, Xxlayna Marie, helps him understand his dislike for Christmas. She plays back a clip of Jill Kassidy, another stepsister, interrupting BJ to open presents. Myra Moans, Christmas Present's stepsister, lectures Juan about doing something for his stepsisters. Jill, the future stepsister, tries to suck Juan out of him, but he passes out. The three girls kneel above him, preparing to screw him for Christmas.
Mother Sovereign Sire, her daughters Emma Starletto and Kyler Quinn, and her stepson Kyle Mason are all enjoying a night out together. They have been flirting since they started dating, and Emma discovers this. They disagree on whether it's appropriate for Kyler to expose her breasts. After Sovereign returns with food, they engage in a double BJ, with Emma leading in cowgirl mode and Kyler jumping on Emma's face. Kyler delivers a cream pie to Emma, while Emma is shocked.
Jimmy Bud's father informs him that his stepmother Micky Muffin is on her way, and he is excited to see her. Micky, believing her husband is already there, leaves with her partner. Jimmy sneaks out, but Micky is drawn to her and they continue having sex. Micky wants a child, and Jimmy is a baby batter. They enjoy cowgirl rides and a reverse cowgirl ride, and Jimmy finally delivers Micky the cream pie she has been waiting for.
Demi Hawks is angry and upset about the rain. She and her friend Tiana Blow are going to the supermarket. Demi's stepfather, Danny Steele, assures them they won't melt. However, they find their rain jackets transparent and unprotected. Danny spanks Demi and Tiana, then slaps them in the dog. Tiana cowgirls Danny, while Demi falls on her back. Tiana stifles Demi's cries, and Danny agrees to go to the store after blowing a nut inside her.
In this episode of Family Swap, Cherry Kiss brings her swap daughter Megan Marx shopping and they try on new clothes. When Cherry's switch son Juan Loco enters, they praise each other's attire. Cherry casually suggests giving Juan a blowjob, but Danny intervenes and diffuses tension. Cherry offers the blowjob to Juan, and the girls trade places to receive a blowjob and a reverse cowgirl ride from Danny. Danny gives his swapdaughter a creampie, and the girls express their happiness and affection.
The blended family consists of Ashely Wolf, Kyler Quinn, Sia Lust, and Ricky Spanish. Ashley is the oldest and demands attention from the other three, who are prohibited from drinking, watching porn, and engaging in sex-related activities. Ricky initiates a seductive game of truth or dare, involving Kyler and Sia's nipples. Ashley is appalled when Ricky fucks them, leading to a heated argument. Ashley admits her attraction, and the family engages in a double BJ, triple BJ, and doggy fuck. Ricky, tired of the intense scene, blows a large cream pie for Ashley, and the family enjoys their time together.
Josh prepares to beat the flesh in his room when his stepsister, Barbie Brill, and her companion Liz Ocean come in. They make out, and Josh is blindfolded by them. They start a threesome, riding Josh's tongue and Barbie's fuck stick. Barbie sits on Josh's face, while Liz takes turns on the disco stick. They both indulge in a double facial, earning a double blowjob from their BJ.
Jessie Saint and Kyler Quinn create Valentine's Day cards for their stepbrother, Codey Steele. Despite not having cards, they create sweets for him, but Codey misreads their intentions and takes them. He presents them with a bag with his dick, which Kyler believes is for her. Jessie regrets her response and invites Codey to apologize. Kyler tries to stab Jessie, while Jessie eats her. They switch places, with Jessie putting her pussy on Codey's face and Kyler riding him. Codey fucks Jessie until he runs out of energy, giving him a hot jizz.