Simon King, Jonathan Scott and Saba Douglas-Hamilton follow the lives of three cat families - lions, leopards and cheetahs - in Kenya's Masai Mara. Jonathan finds Honey the cheetah mum with only three of her four cubs. Bella the leopard is attracting all the male leopards in the area. Simon continues to follow Tamu the lone lioness who is struggling against incredible odds to keep her family alive as they face an attack by a rogue male lion who wants Tamu's cubs dead.