From high above and deep below its surface, a team of intrepid explorers and scientists immerse themselves in the mechanics of the St. Johns River system in Florida. Their adventures reveal the stunning beauty of a wild and scenic land and the difficult issues facing the populace as they grapple with the impacts of inevitable growth on this natural resource. "The River Returns" inspires hope that environmental protection and sustainable growth can coexist, and that great watersheds of our planet can be protected for future generations.