The dainty, delicate Thomson's gazelle leads a life full of tension, unease and danger.
Filmed on the East Africa plains, this programme follows the gazelles in their relentless and perilous search for fresh grass.
As they await the end of the dry season, the gazelles travel across hostile territory where hungry lions, cheetahs, jackals and even crocodiles are looking for a meal.
When the rains come, the dust turns to mud and the first green shoots of grass start to appear. The males mark out their territory, and females drop their vulnerable fawns. But, with a sting in the tail, the film reveals the biggest danger to the gazelles is not the predators.

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