The harsh Mongolian winter has isolated a family in their ger, their breaths visible in the frigid air. The sister, a sultry temptress with fiery eyes, finds herself irresistibly drawn to her brother, a hulking man with a fierce appetite for pleasure. As they huddle for warmth, their bodies press together, the heat of their desire threatening to melt the ice encasing their hearts. In the throes of passion, they forget the cold, their bodies intertwined, their moans echoing like the howling wind outside, as they indulge in a taboo delight that sets the ger ablaze.