Feature documentary about legendary oceanographer, marine biologist, environmentalist and National Geographic Explorer-in-Residence Sylvia Earle, and her campaign to create a global network of protected marine sanctuaries

Oceanographer Dr. Sylvia Earle, National Geographic photographer Brian Skerry, Author and Historian Maxwell Kennedy take a team of young environmentalists around America's Ocean hotspots to showcase the hidden ecosystems hidden beneath the waves. Their goal is to encourage people to protect these amazing hidden National Wonders.