In the bustling streets of Hanoi, young Nam, a curious and innocent teen, explores her burgeoning sexuality. With no guidance from her strict parents, she turns to the internet, discovering a world of taboo desires. She starts to experiment with herself, using household items to satisfy her newfound urges. Meanwhile, her older cousin, visiting from abroad, notices Nam's blossoming figure and growing curiosity. He decides to take her under his wing, teaching her about the pleasures of the flesh, guiding her through her first experiences with a man.