In this sordid tale of taboo, virgin stepbrothers Jimmy and Parker manipulate their naughty bisexual stepsisters, Laya and Riley, into a steamy foursome. With blindfolds and manipulation, the siblings explore each other's bodies, tasting and teasing until they're caught in the throes of passion. Face-sitting and pussy-licking ensue, culminating in a messy, orgiastic explosion of pent-up desires.