Naive teen Phi Huyền Trang finds herself in a compromising position as her family gathers, her curiosity piqued by the moans and grunts echoing from the other room. Unable to resist, she peeks in to find her siblings and cousins engaged in a heated, incestuous orgy. Blushing, she retreats but can't shake the images from her mind. Later, she tentatively joins the fray, losing her virginity to her cousin in a passionate, taboo-filled encounter.