For most of us, the story of mammalian evolution begins after the fall of the asteroid that killed the dinosaurs, but over the past 20 years, scientists have discovered new fossils and used new technologies that have turned this story upside down. You have a meeting with outstanding characters and a trip to amazing places. Old bones can tell us how extinct animals once moved. How did they pave their way across our planet: running, jumping or sliding? What was their role in the environment, in their ecology? If you think you already know where our furry ancestors came from, you might be surprised.