Alex Mack is Chloe Temple's new stepbrother as a result of her mother's recent second marriage. When Chloe's best friend Andi Rose inquires about it, Chloe replies that Alex is reserved and silent. She adds that Alex and Grandma have been going missing a lot at the same time, and that her grandmother is in town. The girls hear sex sounds coming from Grandma's room as they are making their own conjectures about it. The girls know exactly what's going on as Alex leaves the room. When they bring him in for interrogation, Chloe discovers the grandmother's underwear in Alex's pocket. The girls are curious as to how Grandma and Alex managed it. Did they pursue a career in missions? Canine? Given that Grandma is into it, Andi is really curious to see how hung out Alex is. She discovers that Alex truly does have a massive cock when she pulls his pants down. Andi is no longer just having fun; she wants the cock. She offers Alex a fuck by pulling down her shorts and exposing her pussy. Alex isn't scared, even if Chloe believes he won't do it. As requested by Alex, he inserts that large dick inside her twat and gives it to her. After a scorching minute of watching, Chloe takes down her own shorts, allowing Alex to devour her as she gets boned from behind. Chloe moves forward to watch Alex in action since she is curious about how he fucked her grandmother as well. In order to enjoy riding her best friend's tongue, Andi waits until Chloe is fully invested before climbing on her face. Alex then lies down, allowing Andi to ride him in a reverse cowgirl position while Chloe gives him extra affectionate squeezes and pats. Andi gets off and gives Alex's hardon a good licking before getting back on his cowgirl horse. Chloe boards to Always willing to give something back, the girls kneel between Alex's legs to share his hardon in a BJ that lasts until he delivers his load for them to enjoy together. Their interest has been piqued, so they return to making fun of Alex for fucking Grandma.