Five years ago, expert sea diver and Naval Captain Jonas Taylor encountered an unknown danger in the unexplored recesses of the Mariana Trench that forced him to abort his mission and abandon half his crew. Though the tragic incident earned him a dismissal from service, what ultimately cost him his career, his marriage and any semblance of honor was his unsupported and incredulous claims of what caused it – an attack on his vessel by a mammoth, 70-foot sea creature, believed to be extinct for more than a million years.