80 million year old clues challenge modern day dinosaur detectives who search the badlands of Argentina"s Northern Patagonia region in their attempt to solve ancient mysteries. Segments include interviews with palenontologists, biologists and geologists as they discover a major Sauropod nesting site with fossilized eggs and shells proving that these huge dinosaurs were actually hatched from eggs. Other discoveries include active dinosaur digs uncovering fossilized dinosaur tracks along the shoreline of a small lake near El Chacon, and fossilized skeleton remains found in the region of La Buitrera, of what is believed to be the largest creature to walk the earth.