Gorgeous redhead Scarlet Skies is left unsatisfied by her boyfriend's average-sized cock, yearning for something more substantial. She decides to explore her options, trying out a powerful sex machine while masturbating. Meanwhile, Billy Boston, her boyfriend, watches in disbelief, determined to prove he's still the best choice for her. Scarlet's eyes widen as the machine's thick, veiny dildo pounds into her tight pussy, filling her completely. Billy, fueled by jealousy and desire, joins the action, doggystyle, competing for Scarlet's pleasure. In the end, who will Scarlet choose, the man or the machine?