3,000 years BCE, in Africa’s Rift Valley: isolated by a changing climate, hemmed in by arid wasteland, a prehistoric tribe fights for survival. A prehistoric tribe fights for survival Isolated by a changing climate, hemmed in by arid wasteland, a band of prehistoric humans faces extinction. There are too many mouths to feed – the tribes have grown too large, they’ve hunted too fiercely and the animals are gone. The waterholes are dry, the rains don’t come. Their world has changed, and they need a way out. As the young men of the Koriba go in search of a new home, Temfe, the chief’s son, must learn to lead his clansmen before they betray him. To survive in a harsh world, surrounded by enemies he must gather new allies, discover new weapons and learn new ways of seeing the world. In the African rift valley, 43,000 years BCE, a spark of consciousness flares into life. The dawn of human culture, the fire that will reshape the world.