Action-packed series following wildlife rangers in Borneo in Southeast Asia, the third-largest island in the world and home to one of the oldest rainforests in the world. The documentary follows the heroes at the front-line who are working to protect the environment, culture and wildlife. Featuring forest rangers, marine conservationists and some of Borneo's most fascinating tribes, landscapes and wildlife, this is a story of man and nature in an ever evolving relationship of co-existence and survival.