Explorer, conservationist, author and presenter Levison Wood treks alongside hundreds of elephants on their annual migration across Botswana. He gets up close and personal for the first time with a group of orphans and takes part in an ancient ceremony, before setting off into the bush in search of a herd to follow. Following potentially dangerous encounters with a buffalo and a pride of lions, Lev finds his first herd, but is forced to leave them alone when one threatens to charge