Vanessa is working on her senior thesis for college. She has chosen to study the phenomenon of step-siblings who become romantically involved with each other.

This release tells the tale of four very different step-siblings and how their frustration, horniness, attraction, and crush reach a breaking point when there's nothing else to do but indulge in forbidden, passionate sex.

Soon she was reconsidering her relationship with her own stepbrother, Tyler. Before she can finish her film, Tyler discovers the raw footage. He confronts her and asks if she is interested in the topic from a purely academic point of view or for far more personal reason

Here we hear the tale of a stepsister whose brother beats up a professor for her honor, a girl who catches her stepbrother reading her sex journal, a stepbrother whose volatile relationship with his sister turns into some heated sex

The blog becomes Carmen's online diary which she assumes is only for her eyes, until she starts receiving emails from other stepsisters that share similar fantasies and before long - they're encouraging Carmen to pursue what she wants most - her stepbrother.

His seductive stepsister, Aidra, has offered to help "give him a hand." But when Logan does the unthinkable, he's left wondering whether Elsa was right to hold off her virginity for a dirtbag like him, or is she holding out for someone a little closer to home?