Father in law's office becomes a playground for stepdad and stepdaughter

The scene opens with Piper Perri, a petite and cute teen, sitting at her desk at school. Her stepbrother, who is also at school, comes into her father's office and catches him giving her a piggy-back ride. The stepbrother is furious and accuses his stepfather of being inappropriate with his sister. However, the stepfather defends himself, saying that he is just helping her with her homework. The stepdaughter, who is clearly uncomfortable with the situation, tries to leave the room. But the stepfather insists that she stay and finish her homework with him. As the stepdaughters starts to fill out her homework, the stepbrother starts to get jealous and flirtatious. He starts to touch her and she tries to resist, but he is persistent. The stepfather notices the tension between them and decides to step in. He encourages the stepbrothers to explore their sexuality with each other, and soon they are both having sex with the stepdaugter.