As the largest predator in Africa, the lion should have nothing to fear. But the king of the savannah is facing an uncertain future. While concentrating on the dwindling number of elephants and rhinos, nobody suspected the biggest of big cats was in trouble. When the number of lions turned out to be fewer than 30,000 and not 100,000 as previously estimated, it was clear that the great lion had become vulnerable. We hear from lion experts, farmers and Masai herdsmen as they explore solutions to the problems of saving lions and living with them.