The Sargasso Sea-- legendary graveyard of lost ships. What connection does it have to Australia's Ayers Rock, the unknown creature killing livestock in the Outback ... and SECTION ZERO? A startling and deadly discovery reveals important insight into the group's and Doc Challenger's past, and sets their course for the future as one teammate falls, and an unexpected ally rises to take their place. All while another member makes an ominous deal. Plus: what-- and where-- is Ground Zero?
