This documentary segment delves into the numerous threats sea turtles face in their natural environment, with a particular focus on the dangers of plastic pollution. Leatherback sea turtles, for example, often mistake plastic bags for their favorite food, jellyfish, leading to significant health problems. As the documentary progresses, it explains the critical role sea turtles play as keystone species in their ecosystems, how they contribute to the well-being of planet Earth, and why it is essential for humans to protect them. The film also explores the nature of plastic, how it ends up in our oceans, the challenges of removing it, and the innovative efforts by organizations like The Ocean Cleanup and Clear Blue Sea to combat plastic pollution.