Burdened with massive debt, their father suddenly disappears, leaving the sisters behind. Struggling to survive through daily labor, they are crushed by mounting interest and driven to the brink of despair. To protect her younger sister, the older sister has no choice but to sacrifice her own body, surrendering herself into the hands of beasts. But the tragedy doesn't end here. The younger sister, too, becomes entangled in fate's cruel joke and falls prey to demons. The sisters' beautiful, pale skin gradually becomes tainted by dark, insatiable desires. Their fate descends into the depths of despair and madness.