Group predators prowling the savannah, lone hunters nestled high up in trees, the fastest animal on earth chasing its prey at over one hundred kilometres per hour. Several million savannah-fuelled meals spread miles across the Serengeti plain. This incredible drama between predator and prey has been continually played out throughout our planet’s long history. The force driving this drama may be a unique grass growing in the savannah. One botanist is trying to unravel the secrets behind this mammoth meadow …amid the remarkable daily dramas played out by Africa’s biggest cats.