Tucked away in a bustling Vietnamese classroom, two young sisters, both eager students, find themselves drawn to each other in ways they can't understand. Their teacher, a stern woman, catches them in a compromising position, their hands exploring each other's young, untouched bodies. She's shocked, but also intrigued by their innocent, yet intense passion. She decides to teach them a lesson they won't forget, one that involves more than just books and blackboards.