In a time some 25,000 years ago, a small tribe located in a primal valley attempts to survive the many threats from the catastrophes of geological upheavals, where survival is wrested from the elements and life is to endure starvation. The perspective of this sweeping adventure is told from that of a young boy. The hard-learned lessons of life provide a romance of epic proportions in which `The Boy' fights for love and acceptance, while overcoming seemingly insurmountable tribal beliefs. Terrifying and beautiful, in a world full of cataclysmic change, prehistoric man and animals learn to accept and trust one another.