In 1926 beautiful Aileen Gallaher left California, to join trapper Slim Williams in the wilderness of the Copper River Valley. Theirs was a perilous existence spent in isolated shelter cabins and tents, bucking heavy snows, uncertain river ice and temperatures that sometimes plummeted to 50 below. All she missed was female companionship, a problem solved with the arrival of her tenacious 15-year-old sister Samme,