As Peter (Roman Todd) and his stepsister Susan (Melanie Brooks) are watching TV, Peter realizes his sister is stroking her cock. Worried that their mom will hear them, they lock themselves in their room and work off some sexual tension.
After time apart, Bill (Dante Colle) makes a surprise visit back home. He's surprised to see his stepsister, Sadie (Crystal Thayer), all grown up and they both move towards recreating a night of passion they had before he left.
Angelina (Angelina Please) is practicing her dance moves for social media and her stepbrother, Dillon, gives her some unwelcome advice. Dillon (Dillon Diaz) tries to understand why she needs so much attention from strangers, when he's been there watching and wanting her for a long time.
Kenna (Eva Maxim) throws her sister Cassy (Casey Kisses) a bachelorette party. Kenna "accidentally" spills champagne on Cassy, as an excuse to get her away from the party to suck Cassy's hard cock. As the other partygoers wonder where they've gone. Cassy and Kenna fuck all over the house.