Sebastián, a young and curious student, finds himself in a late-night tutoring session with his attractive professor. As the night wears on and the subject matter grows more complex, Sebastián's eyes wander, taking in the professor's sharp features and muscular frame. The professor, noticing Sebastián's distraction, leans in, his breath hot on Sebastián's ear, and whispers a suggestion that sends shivers down Sebastián's spine.