A young couple, Summer and Slimthick Vic, rent out their Airbnb to make ends meet. Unbeknownst to them, their Spanish tutor, Donnie Rock, has a secret fetish for free-use scenarios. When he arrives, he finds the couple engaged in passionate lovemaking, fueling his hidden desires. Unable to resist, he joins them, turning the language lesson into a taboo, free-use fantasy. Summer, intrigued by his audacity, invites him to use her body while Vic watches, turned on by the forbidden encounter.