Man ancestors put off to conquer the world, to explore the unknown, to accommodate to every environment. Plus one day, to conquer fire -- a discovery which made them invincible. They built shelters. They shifted their surroundings. But this failed to slake their desire for longer. They hunted to fathom Nature's mysteries. They invented stories to explain the inexplicable. Now, they have been Guys. This is the saga of our origins, told through just one family's story - an epic journey upon the most recent scientific discoveries shine an exciting new light.