Levison Wood is in Botswana to follow the world's largest elephant migration. Travelling on foot 650 miles along ancient elephant pathways, he must overcome dangers in the bush before tracking a large herd of female elephants.

Lev and his guide Kane journey across the salt pans to track bull elephants. When they encounter a herd during mating season their safety is soon jeopardized.

Approaching the end of their 650-mile journey, Lev and his guide Kane must cross the final leg of the trip by boat where they face dangerous crocodiles and aggressive hippos.