We recount the struggle for survival of an African lioness, a great white shark, and a polar bear.

This four-part series offers an intimate and powerful experience, looking at some of the planet's most fearsome animals in their own unique neighbourhoods. Narrated by critically acclaimed actor Alec Baldwin, this series reveals the dramatic stories of an African lioness, a great white shark, a polar bear and an Alaskan brown bear, and their gripping struggle for survival.