Bored and unimpressed, step-siblings Riley Jean and Serena Hill find themselves alone with their stepfather Donnie Rock and stepmother Violet Spice on Thanksgiving. Ignored and dismissed, the teens resort to expressing their frustration through taboo fantasies, with Riley imagining becoming Violet's fuck-toy and Serena envisioning Donnie using her as a free-use fuck object. Their minds filled with depraved thoughts, they begin to act out their fantasies, giving themselves up to their step-parents' whims, ready to be used anytime, anywhere.