Sylvia Earle first lost her heart to the ocean as a young girl when she discovered the wonders of the Gulf of Mexico in her backyard. As an adult, she dives even deeper. Whether she's designing submersibles, swimming with the whales, or taking deep-water walks, Sylvia Earle has dedicated her life to learning more about what she calls "the blue heart of the planet." Life in the Ocean tells the story of Sylvia's growing passion and how her ocean exploration and advocacy have made her known around the world.