Introduces symbiotic relationships in the animal world, revealing the connections between such animals as crabs and iguanas, coyotes and badgers, and ravens and wolves.

Presents the story of the unusual friendship between Tarra, a retired circus elephant, and Bella, a stray dog, who are both cared for at the Elephant Sanctuary in Hohenwald, Tennessee.

"Set against the most dramatic time in our species' history, The Dog Master tells the story of one tribe's struggle for survival and one extraordinary man's bond with a wolf - a friendship that changed mankind forever... Thirty thousand years ago, ice was storming the planet. Among the species forced out of the trees and onto the steppes by the advancing cold was modern man, who was both predator and prey. No stranger to the experiences that make...