When the age of dinosaurs ended in fire, mammals rose out of water and roamed worlds of ice. When species of marine life thought to have gone extinct millions of years ago are spotted in the Pacific, a team of passionate youths and daring explorers board a ship bound for a mysterious new addition to the Aleutian Island Chain that stretches out of Alaska. There, they are met with the titans who came before the era of man, the ancestors to modern day beasts, and seek to discover the secret behind this wondrous yet terrifying phenomenon.