Dr. Susan Miller is a brilliant, young, attractive marine biologist on a fast track career pathway at Memorial University of Newfoundland, doing behavioral studies on squid and octopuses, molluscan species noted for their high intelligence. Her studies are interrupted when the director of NOAA's Office of Research and Ocean Exploration requests her help aboard the oceanic research vessel, Okeanos Explorer, in the western Pacific Ocean to investigate the disappearance of some marine research divers from the ship. She is accompanied by her molecular biology post-doctoral trainee, Dr. Masami...