In the year 1866 a ship named the General Grant lost course on its epic voyage to London and crashed upon a subantarctic island off the coast of New Zealand. Legend has it that its cargo contained one of the richest in history-gold all mined from the Victorian goldfields in Australia. After years of mishap and misfortune-even death-no one has been able to locate its exact whereabouts. In comes Roy Berenger, one of the world's foremost experts on salvaging shipwrecks. Recruited to solve the mystery once and for all, he must use all his trademark talents and wits to uncover the historic shipwreck. The strange circumstances around its harrowing disappearance are mysterious and all-too frightening. Putting together a local crew with the latest technological resources at his disposal, Berenger ventures to this far-off island to pull off an audacious search attempt. But in order to find it-he must brave the real-life perils of hypothermia, great white sharks, high-sea squalls, and human treachery.